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'Situation' in the Office? How Can I Get My Boss to 'Ask Before You Task'?.PDF
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More Suggestions from Our Readers.PDF
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Break it Up!.PDF
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Careless Whispers.PDF
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Rising from the Ashes of a Ruined Reputation.PDF
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The Perils of Pauline.PDF
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Stalled in the Ladies Room.PDF
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Awful to Always Await an Award.PDF
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Avoiding Lock-Up.PDF
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Afraid of Retribution.PDF
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Zelda and the Grammar Geek Jointly Cure the "Dr" Dilemma.PDF
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Retired in Place.PDF
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Underwater Battleground.PDF
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Taking the "Ouch" Out of a Slouch.PDF
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The Young and the Restless.PDF
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How to Deal with Resistant Reggie.PDF
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Hijacked Distribution List.PDF
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Calming a Choleric Co-worker.PDF
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Boss is Steering Us Wrong.PDF
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Reining in a Chatterbox.PDF
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Wrong Address.PDF
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Suffering from Neglect on Planet Schmooze.PDF
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Enjoying (?) the Ride.PDF
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Guilty Until Proven Innocent?.PDF
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Know-It-All Doesn't Know Much.PDF
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Phone Hog Grills Callers, Spills Beans.PDF
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Emails Going Unanswered.PDF
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Zelda Tackles a Tackler.PDF
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Not Speaking the Same Language.PDF
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Short-Timers Are Short-Circuiting the Fun.PDF
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"Double Commuters" Attacked by Bear.PDF
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Exterminating a Pack Rat.PDF
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Co-worker Full of Hot Air.PDF
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Tormented by Twisted English.PDF
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Peeved by Purloined Pop.PDF
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How Do You Stop the Epithet Epidemic in Your Office?.PDF
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Employee Uses Co-workers as Entourage.PDF
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Watching Every Word in Snitch City.PDF
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Message in a Bottle.PDF
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40 Winks at Work.PDF
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It's the 'P' Word.PDF
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An Interview with Zelda.PDF
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The Negative Supervisor.PDF
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The Disappearing Boss.PDF
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Decibels Driving Me Batty.PDF
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Private Chit-Chat Goes Public.PDF
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Be Zelda for a Day: Butterfly Not Working the Mission.PDF
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Is Gossip Getting Your Goat?.PDF
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Workplace Dilemma? Dealing with a 'Downer'.PDF
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Thorny Supervisory Problem? 'The Odoriferous Officemate'.PDF
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Supervisory Woes? 'No Fun to be Caught in the Middle'.PDF
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Dress Code.PDF
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Zelda's Farewell.PDF
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Not My Problem.PDF
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Your Experiences.PDF
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Stuffed Then Stiffed.PDF
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Scent of a Woman.PDF
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Navigating the Social Scene with Wallet and Dignity Intact.PDF
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Rebuilding after the Hurricane.PDF
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Bored to Tears.PDF
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2014AZ02
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2014AZ01
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COMMUNICATOR-III-44.PDF
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COMMUNICATOR-III-45.PDF
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COMMUNICATOR-III-47.PDF
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COMMUNICATOR-III-46.PDF
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COMMUNICATOR-III-43.PDF
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COMMUNICATOR-III-41.PDF
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COMMUNICATOR-III-40.PDF
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COMMUNICATOR-III-37.PDF
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COMMUNICATOR-III-36.PDF
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COMMUNICATOR-III-35.PDF
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Delmar C. Lang
- Uploaded On: 7/1/2021
A Language Scholar
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A mission of great importance?: Recruiting Scientists and Mathematicians at NSA circa 1960
- Uploaded On: 6/29/2021
AFSAM-7
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The Yom Kippur War of 1973 (Part Two)
- Uploaded On: 6/29/2021
The Yom Kippur War of 1974 (Part 1)
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Wilma Z. Davis
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William Hunt
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William Coffee
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The Widowmaker: SIGINT and Submarine K-19
- Uploaded On: 6/29/2021
Walter Deeley
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William F. Friedman
- Uploaded On: 6/29/2021
Vietnam: A SIGINT Paradox (Part II)
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Vietnam: A SIGINT Paradox (Part I)
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VENOVA: An Overview
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Velva Klaessy
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Update to Martin and Mitchell Article
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Uncle Ned
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Two-Gun Milt
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The Berlin Tunnel Part II: The Rivals
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The Berlin Tunnel Part I: But Did They Call Miss Utility?
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The Time of Investigations Part 2
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The Time of Investigations Part 1
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Three African-American Cryptologic Pioneers
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The TRS Program Part II: The Capture of the Pueblo
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The TRS Program Part I: The Beginning
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The Soviet Union's Invasion of Afghanistan, 25 December 1979
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The Move to Fort Meade
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The Last Days of the Enigma
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The Korean War: The First Phase
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The Formation of NSOC
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The First Round: NSA's Effort against International Terrorism in the 1970s
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The Effort to Create a Smokefree NSA
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The Central Security Service
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The Creation of NSA - Part 1: The Brownell Committee
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The Creation of NSA - Part 1: AFSA
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The Creation of NSA - Part 1: JOP
- Uploaded On: 6/29/2021
Solomon Kullback on Maintaining Communications Security
- Uploaded On: 6/29/2021
Six Decades of Second Party Relations
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SIGINT Against the Chinese Intervention in the Korean War
- Uploaded On: 6/29/2021
SIGINT and the Battle of the Ia Drang Valley, November 1965
- Uploaded On: 6/29/2021
A Spy Like Us: Ronald W. Pelton
- Uploaded On: 6/29/2021
Richard A. Day: A Telecommunications Pioneer
- Uploaded On: 6/29/2021
A Reconsideration of the Role of SIGINT during the Cuban Missile Crisis, October 1962 Part 4
- Uploaded On: 6/29/2021
A Reconsideration of the Role of SIGINT during the Cuban Missile Crisis, October 1962 Part 3
- Uploaded On: 6/29/2021
A Reconsideration of the Role of SIGINT during the Cuban Missile Crisis, October 1962 Part 2
- Uploaded On: 6/29/2021
A Reconsideration of the Role of SIGINT during the Cuban Missile Crisis, October 1962 Part 1
- Uploaded On: 6/29/2021
The Good Looking Engineer: Ray Bowman
- Uploaded On: 6/29/2021
Ralph J. Canine
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Ralph Bennett
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Quiz
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Quis Custodiet Ipsos Custodes?
- Uploaded On: 6/29/2021
POLYGLOT: The Meredith Gardner Story
- Uploaded On: 6/29/2021
SIGINT in the Panama Canal Treaty Negotiations: Deceptions or Believable Intelligence?
- Uploaded On: 6/29/2021
Oscar Collins: A Successful Senior Executive
- Uploaded On: 6/29/2021
Operation Billy Budd: NSA and the U.S. Army's Secret
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NSA's First Inspector General
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NSA's Field Sites
- Uploaded On: 6/29/2021
Before Super-Computers: NSA and Computer Development
- Uploaded On: 6/29/2021
Nothing Left to Give Up: SIGINT and the Fall of Saigon, April 1975 Part 2
- Uploaded On: 6/29/2021
Nothing Left to Give Up: SIGINT and the Fall of Saigon, April 1975 Part 1
- Uploaded On: 6/29/2021
No Such Agency
- Uploaded On: 6/29/2021
Night of the Living Coup: The 18/19 August 1991 Coup in Moscow
- Uploaded On: 6/29/2021
Minnie Kenny: Champion with a Red Carnation
- Uploaded On: 6/29/2021
Mary Hughes (Polly) Budenbach
- Uploaded On: 6/29/2021
NSA's "Own" Marine Guards 15 November 1953-29 September 1978
- Uploaded On: 6/29/2021
Major General John B. Ackerman, USAF
- Uploaded On: 6/29/2021
Madame X: Agnes Meyer Driscoll and U.S. Naval Cryptology, 1919-1940
- Uploaded On: 6/29/2021
Madame X: Agnes in Twilight, The Last Years of the Career of Agnes Driscoll, 1941-1957
- Uploaded On: 6/29/2021
Louis W. Tordella
- Uploaded On: 6/29/2021
Lambros D. Callimahos, Part 2
- Uploaded On: 6/29/2021
Lambros D. Callimahos, Part 1
- Uploaded On: 6/29/2021
KAL-007: The SIGINT Perspective
- Uploaded On: 6/29/2021
An Extra Degree of Protection: NSA's K-9 Employees
- Uploaded On: 6/29/2021
Juanita Moody
- Uploaded On: 6/29/2021
Joseph N. Wenger
- Uploaded On: 6/29/2021
Major General John E. Morrison: A SIGINT Innovator
- Uploaded On: 6/29/2021
James Pryde
- Uploaded On: 6/29/2021
Hungary, 1956: The Crisis That NSA Did Not Predict
- Uploaded On: 6/29/2021
Hall of Honor Inductees for 2002
- Uploaded On: 6/29/2021
From Spring, into a Long Winter's Night: The Czechoslovakian Crisis of 1968 Part Two
- Uploaded On: 6/29/2021
From Spring, into a Long Winter's Night: The Czechoslovakian Crisis of 1968 Part One
- Uploaded On: 6/29/2021
From Librarians to Leadership: Women at NSA
- Uploaded On: 6/29/2021
Frank Rowlett
- Uploaded On: 6/29/2021
Francis A. Raven
- Uploaded On: 6/29/2021
Fifty Years of GCHQ in Cheltenham
- Uploaded On: 6/29/2021
The Death of Dr. Eugene Fubini
- Uploaded On: 6/29/2021
Essential for Morale of the Workforce
- Uploaded On: 6/29/2021
The World at the End of the War
- Uploaded On: 6/29/2021
Rear Admiral Earl Everett Stone: A Convert to Cryptologic Centralization
- Uploaded On: 6/29/2021
Dr. Lowell K. Frazer
- Uploaded On: 6/29/2021
Dr. Joseph J. Eachus
- Uploaded On: 6/29/2021
Dr. William D. Wray
- Uploaded On: 6/29/2021
Dorothy Toplitzky Blum: A Pioneer Computer Scientist
- Uploaded On: 6/29/2021
Dining at NSA
- Uploaded On: 6/29/2021
Did Anyone Tell the President? Establishing the CRITICOMM System
- Uploaded On: 6/29/2021
Defense Special Missile and Astronautics Center (DEFSMAC)
- Uploaded On: 6/29/2021
Days of BOURBON
- Uploaded On: 6/29/2021
Collection and Processing at NSA
- Uploaded On: 6/29/2021
Cecil Phillips: Cryptologic Pioneer
- Uploaded On: 6/29/2021
Betrayers of the Trust: Joseph Sidney Petersen
- Uploaded On: 6/29/2021
Betrayers of the Trust
- Uploaded On: 6/29/2021
Ann Z. Caracristi
- Uploaded On: 6/29/2021
After the Tunnel: From Berlin to London to Cheltenham, The Story of LPG
- Uploaded On: 6/29/2021
The Achille Lauro: A Security Failure
- Uploaded On: 6/29/2021
The Passing of Dr. Abraham Sinkov
- Uploaded On: 6/29/2021
A Peek Behind the Scenes: Founding of the National Cryptologic Museum (Part 3 of 3)
- Uploaded On: 6/29/2021
A Peek Behind the Scenes: Special Functions In the CCH (Part 2 of 3)
- Uploaded On: 6/29/2021
A Peek Behind the Scenes: The History of History at NSA (Part 1 of 3)
- Uploaded On: 6/29/2021
A Child of the Century: Washington Wong
- Uploaded On: 6/29/2021
A Brief Look at ELINT at NSA
- Uploaded On: 6/29/2021
Communications in a Flash
- Uploaded On: 6/29/2021
Baron Oshima's Contributions
- Uploaded On: 6/29/2021
Open Codes
- Uploaded On: 6/29/2021
Rosman Tracks on to the End
- Uploaded On: 6/29/2021
To Catch a Queen: Cryptology's Role in the Execution of Mary, Queen of Scots
- Uploaded On: 6/29/2021
The Symbols in the Stone
- Uploaded On: 6/29/2021
The Rewards of the COMINT
- Uploaded On: 6/29/2021
The Dawn of the International Age
- Uploaded On: 6/29/2021
Radio New York: The First Civilian Intercept Station?
- Uploaded On: 6/29/2021
Johannes Trithemius: Scholar and Cryptologist
- Uploaded On: 6/29/2021
Hammer Those Bulls!
- Uploaded On: 6/29/2021
Cipher and Silver Balls in the American Revolution
- Uploaded On: 6/29/2021

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American Cryptology during the Cold War, 1945-1989 Series VI, Volume 5, Book II: Centralization Wins, 1960-1972
- Uploaded On: 11/21/2024
American Cryptology during the Cold War, 1945-1989 Series VI, Volume 5, Book I: The Struggle for Centralization 1945-1960
- Uploaded On: 11/21/2024
History of the Signal Security Agency.PDF
- Uploaded On: 6/29/2021
Working Against the Tide.PDF
- Uploaded On: 6/29/2021
Space Surveillance SIGINT Program.PDF
- Uploaded On: 6/29/2021
THE NATIONAL SECURITY AGENCY AND THE EC-121 SHOOTDOWN.PDF
- Uploaded On: 6/29/2021
The Suez Crisis: A Brief Comint History.PDF
- Uploaded On: 6/29/2021
Spartans in Darkness.PDF
- Uploaded On: 6/29/2021
Purple Dragon.PDF
- Uploaded On: 6/29/2021
The Origins of the National Security Agency 1940-1952.PDF
- Uploaded On: 6/29/2021
Operation REGAL: The Berlin Tunnel.PDF
- Uploaded On: 6/29/2021
On Watch- Profiles from The National Security Agencys' past 40 years.PDF
- Uploaded On: 6/29/2021
It Wasn't All Magic: The Early Struggle to Automate Cryptanalysis 1930s - 1960s.PDF
- Uploaded On: 6/29/2021
Learning from the Enemy: The GUNMAN Project.PDF
- Uploaded On: 6/29/2021
In the Shadow of War.PDF
- Uploaded On: 6/29/2021
History of the Signal Security Agency.PDF
- Uploaded On: 6/29/2021
A History of U.S. Communications Security.PDF
- Uploaded On: 6/29/2021
A History of U.S. Communications Security.PDF
- Uploaded On: 6/29/2021
German Clandestine Activities in South America in World War II.PDF
- Uploaded On: 6/29/2021
History of Collaboration among French Cryptologic Agencies 1909 - 1939.PDF
- Uploaded On: 6/29/2021
The Cryptology of the German Intelligence Services.PDF
- Uploaded On: 6/29/2021
American Cryptology During the Cold War.PDF
- Uploaded On: 6/29/2021
American Cryptology During the Cold War.PDF
- Uploaded On: 6/29/2021
American Cryptology During the Cold War.PDF
- Uploaded On: 6/29/2021
American Cryptology During the Cold War.PDF
- Uploaded On: 6/29/2021
BOURBON to Black Friday: The Allied Collaborative COMINT Effort against the Soviet Union 1945-1948.PDF
- Uploaded On: 6/29/2021

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Cryptologic Quarterly Vol. 42
- Uploaded On: 7/9/2025
Cryptologic Quarterly Vol. 41
- Uploaded On: 12/14/2023
Cryptologic Quarterly Vol. 40
- Uploaded On: 5/5/2022
Cryptologic Quarterly Vol. 33
- Uploaded On: 7/13/2021
Cryptologic Quarterly Vol. 34
- Uploaded On: 7/13/2021
Cryptologic Quarterly Vol. 38
- Uploaded On: 7/13/2021
Cryptologic Quarterly Vol. 36
- Uploaded On: 7/13/2021

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National Computer Security Center and the Origins of NSA's Information Assurance Mission
- Uploaded On: 10/7/2024
You've Got to Go by the Rules
- Uploaded On: 6/29/2021
XNS Ethernet Connections for the IBM PC XT
- Uploaded On: 6/29/2021
A World War II German Army Field Cipher and How We Broke It.PDF
- Uploaded On: 6/29/2021
Work Force Skills and Mission Requirements Comparison System.PDF
- Uploaded On: 6/29/2021
With Pail and Shovel: The "Sandbox Approach" to Management and Leadership.PDF
- Uploaded On: 6/29/2021
Winning the Paper Chase: Operational Applications of Computer Output Microfiche.PDF
- Uploaded On: 6/29/2021
Warning and Crisis Management.PDF
- Uploaded On: 6/29/2021
Volunteering: A Fresh Approach.PDF
- Uploaded On: 6/29/2021
Virtual Reality.PDF
- Uploaded On: 6/29/2021
Unofficial Vocabulary.PDF
- Uploaded On: 6/29/2021
United Pigeons Service (UPS).PDF
- Uploaded On: 6/29/2021
Translating by the Seat of Your Pants: Some Observations about the Difficulties of Translation and How to Deal with Them.PDF
- Uploaded On: 6/29/2021
The Origination and Evolution of Radio Traffic Analysis: The World War I Era.PDF
- Uploaded On: 6/29/2021
Toward a Taxonomy of Secrets.PDF
- Uploaded On: 6/29/2021
Third Party Nations: Partners and Targets.PDF
- Uploaded On: 6/29/2021
The Zimmermann Telegram.PDF
- Uploaded On: 6/29/2021
The Way It Used To Be or From ADVA/GENS to the Alphabet (PART II).PDF
- Uploaded On: 6/29/2021
The Value of Working Longer Hours for Promotion.PDF
- Uploaded On: 6/29/2021
The Use of Compressed Speech in Selecting Morse Code Operators.PDF
- Uploaded On: 6/29/2021
The Uncertain Summer of 1945.PDF
- Uploaded On: 6/29/2021
The UCSD p-System.PDF
- Uploaded On: 6/29/2021
The Sting - Enabling Codebreaking in the Twentieth Century.PDF
- Uploaded On: 6/29/2021
The Rosetta Stone and Its Decipherment.PDF
- Uploaded On: 6/29/2021
The Pyramid of Excellence for Intelligence Analysis and Production: A Maturity Model.PDF
- Uploaded On: 6/29/2021
The PLATFORM Network Evolution.PDF
- Uploaded On: 6/29/2021
The Origination and Evolution of Radio Traffic Analysis: The Period between the Wars.PDF
- Uploaded On: 6/29/2021
The Passing of an Extraordinary Man.PDF
- Uploaded On: 6/29/2021
The Parable of the Tail With No Teeth.PDF
- Uploaded On: 6/29/2021
The Origins of the Soviet Problem: A Personal View.PDF
- Uploaded On: 6/29/2021
"The New Kid on the Block": Personal Experiences of An NSA Historian and the Nazi Gold Report January - May 1997.PDF
- Uploaded On: 6/29/2021
The National OPSEC Program.PDF
- Uploaded On: 6/29/2021
The Move, or How NSA Came to Fort Meade.PDF
- Uploaded On: 6/29/2021
The High-Tech Trade War with Japan: Can Anyone Win?.PDF
- Uploaded On: 6/29/2021
The Handy-Dandy Field Site History: Fifty Years of Field Operations, 1945-1995.PDF
- Uploaded On: 6/29/2021
The Golden Age of Russia.PDF
- Uploaded On: 6/29/2021
The Fiber Distributed Data Interface.PDF
- Uploaded On: 6/29/2021
The Fall of the Shah of Iran: A Chaotic Approach.PDF
- Uploaded On: 6/29/2021
The Essential Difference.PDF
- Uploaded On: 6/29/2021
Ten Rules to Avoid Planning Foul-Ups.PDF
- Uploaded On: 6/29/2021
Telephone Codes and Safe Combinations: A Deadly Duo.PDF
- Uploaded On: 6/29/2021
TEABALL: Some Personal Observations of SIGINT at War.PDF
- Uploaded On: 6/29/2021
Summary of the 2003 ATA Annual Conference
- Uploaded On: 6/29/2021
Station "C" and Fleet Radio Unit Melbourne (FRUMEL) Revisited.PDF
- Uploaded On: 6/29/2021
Solving xa=b(mod c) for x and Undecimating Recursions.PDF
- Uploaded On: 6/29/2021
Skunks, Bogies, Silent Hounds, and the Flying Fish: The Gulf of Tonkin Mystery, 2-4 August 1964.PDF
- Uploaded On: 6/29/2021
SIGINT Goes to War.PDF
- Uploaded On: 6/29/2021
SIGINT and the Holocaust.PDF
- Uploaded On: 6/29/2021
Seward's Other Folly: America's First Encrypted Cable.PDF
- Uploaded On: 6/29/2021
Sub-HF Search and Acquisition.PDF
- Uploaded On: 6/29/2021
RISC Does Windows.PDF
- Uploaded On: 6/29/2021
Revisiting the Dispute over the Identification of "AF" as Midway.PDF
- Uploaded On: 6/29/2021
Remembering the Lessons of the Vietnam War.PDF
- Uploaded On: 6/29/2021
Regierungs-Oberinspektor Fritz Menzer: Cryptographic Inventor Extraordinaire.PDF
- Uploaded On: 6/29/2021
Red and Purple: A Story Retold.PDF
- Uploaded On: 6/29/2021
Receiver Dynamics.PDF
- Uploaded On: 6/29/2021
Reading Between the Lines: Methods of Analysis of Soviet Military Literature.PDF
- Uploaded On: 6/29/2021
The Origination and Evolution of Radio Traffic Analysis: World War II.PDF
- Uploaded On: 6/29/2021
Radio Intelligence in Japanese and American North Pacific Naval and Air Operations.PDF
- Uploaded On: 6/29/2021
Processor Interconnection Networks from Cayley Graphs.PDF
- Uploaded On: 6/29/2021
Problem Encountered with the Variant Record Construct in Ada.PDF
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Operation Cassandra.PDF
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One Picture is Worth.PDF
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OJE: On the Job Enthusiasm- A Layman's Perspective.PDF
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NSA Signal Collection Equipment and Systems: The Early Years - Magnetic Tape Recorders.PDF
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The First US Government Manual on Cryptography.PDF
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Long Live the King.PDF
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John H. Tiltman: A Reminiscence.PDF
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Inference and Cover Stories.PDF
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I Was a Cryptologic Corporal!.PDF
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History of the South Vietnamese Directorate General for Technical Security.PDF
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A History of Secure Voice Coding: Insights Drawn from the Career of One of the Earliest Practitioners of the Art of Speech Coding.PDF
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Guerillas in the Mist: COMINT and the Formation of Evolution of the Viet Minh, 1941-45.PDF
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Glimpses of a Man: The Life of Ralph J. Canine.PDF
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Geographic Information Systems.PDF
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The Future of High Frequencies in Cryptology, Part Two.PDF
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The Future of High Frequencies in Cryptology, Part One.PDF
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From Crosswords to High-Level Language Competency.PDF
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From Chaos Born: General Canine's First Charge to the NSA Workforce.PDF
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A First Generation Technical Viral Defense.PDF
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Examples of Lattices in Computer Security Models.PDF
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Error Messages: The Importance of Good Design.PDF
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Doing Business Smarter: A Proposal for Consolidating NSA's Analysis and Reporting of Foreign Spaceborne Reconnaissance.PDF
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Disclaimer.PDF
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Influence of US Cryptologic Organizations on the Digital Computer Industry.PDF
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DDE & NSA: An Introductory Survey.PDF
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Data Communications Via Powerlines.PDF
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The Cuban Missile Crisis: A SIGINT Perspective.PDF
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Book Review: A Century of Spies: Intelligence in the Twentieth Century -.PDF
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Before BOURBON: American and British COMINT Efforts against Russia and the Soviet Union before 1945.PDF
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BEACHCOMB Program Overview: History, Status, and Directions.PDF
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A Stab at A2 Criteria.PDF
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A Response to "The SIGINT Hounds Were Howling".PDF
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A Communist Carol.PDF
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Cryptologic Spectrum Articles Disclamer.PDF
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Up to Our Ears in R/T Intercept.PDF
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An Unsolved Puzzle Solved.PDF
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ULTRA and the Battle of the Atlantic.PDF
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The Historical Impact of Revealing the Ultra Secret.PDF
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A Translator Extraordinaire.PDF
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Toward an Estimate of the Soviet Worldview Part II.PDF
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Toward an Estimate of the Soviet Worldview Part I.PDF
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Think Small: Acronyms in English.PDF
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The Federal Women's Program: Issues and Answers.PDF
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The Need for Continuity in Cryptanalytic Studies.PDF
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The History of Friendship.PDF
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The Delphi Technique.PDF
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Testing Triple Play at NSA.PDF
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TEMPEST: A Signal Problem.PDF
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Stonehouse.PDF
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A Soviet Defector at NSA.PDF
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The Sinking and the Salvage of the Awa Maru.PDF
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Sigint Technical Primer-III.PDF
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Sigint Technical Primer-II Modulation.PDF
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The Sigint Users' Handbook.PDF
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Security in an Open Society.PDF
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The Russian Language Training Program.PDF
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RS-15A: Thoughts on the Intensive Russian Training Course.PDF
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Remember the Liberty.PDF
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Remarks at Language Intern Graduation.PDF
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Reflections on the Soviet Strategic Missile Threat of 1960.PDF
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Ralph Canine.PDF
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The Origin and Development of 3-US - Part II.PDF
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The National Sigint Operations Center.PDF
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The NSA Declassification Program.PDF
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The New National Sigint Requirements System: What It Means to NSA .PDF
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National Intelligence Warning: The Alert Memorandum.PDF
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Message from the Director.PDF
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The Many Lives of Herbert O. Yardley.PDF
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Letter from FANX II.PDF
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The Legendary William F. Friedman.PDF
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The Legacy of Lambros Demetrios Callimahos.PDF
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The Legacy of Lambros Demetrios Callimahas.PDF
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KEPLER: At Last!.PDF
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Information Support to Intelligence Production: The Reality and the Dream.PDF
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Information and the Sigint Analyst.PDF
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IN MEMORIAM: Conel Hugh O'Donel Alexander.PDF
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I Remember Juliana.PDF
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A History of U.S. Civilians in Field Comint Operations, 1953-1960 - Part I.PDF
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The History of Applesauce.PDF
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Ground- Based Remote Intercept in the Far East.PDF
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German SIGINT Success in World War II.PDF
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Equal Employment Opportunity: What It Means.PDF
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The Early History of NSA.PDF
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Dmitri Ustinov: The Kremlin's Surprise Choice for Minister of Defense.PDF
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Direct Support during Operation DEWEY CANYON.PDF
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Decision Making About Decision Making: Centralization at NSA.PDF
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Cryptologic Exhibit Opens at Smithsonian.PDF
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Critical Analysis of German Operational Intelligence Part II.PDF
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Conel Hugh O'Donel Alexander: A Personal Memoir.PDF
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Communications with Extraterrestrial Intelligence.PDF
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Comint and Sinking of the Battleship Yamato.PDF
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COMINT and COMSEC: The Tactics of 1914-1918, Part I.PDF
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The Colmar Incident.PDF
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The Civilianization of Harrogate.PDF
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Challenge to SIGINT: Change or Die.PDF
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The Callimahos Course.PDF
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Building an Intercept Station During World War II.PDF
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A Brief History of the U.S. Cryptologic Operations 1917-1929.PDF
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Bitter Roots: The Bases of Present Conflicts in the Middle East.PDF
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The Beginnings of Radio Intercept in World War I.PDF
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Army-Navy-FBI COMINT Agreements in 1942.PDF
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The Ardennes Campaign: The Impact of Intelligence.PDF
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An Exchange of Memos.PDF
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American Systems in the Revolutionary War.PDF
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Vol. XXIII, No. 2 - Summer 1997
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FAQ for Cryptologs
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Dragon Seeds First Issue
Dragon Seeds Vol. 1 Nr. 2 March 1972
Dragon Seeds Vol. 1 Nr. 3 June 1972
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Dragon Seeds Vol. 2 Nr. 4 December 1973
Dragon Seeds Vol. 3 Nr. 1 March 1974
Dragon Seeds Vol. 3 Nr. 2 Final Edition

HOMEWORK_BY_DR_WERNER_WEBER_OF_OKWCHI.PDF
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FY 1957 ASA History FY 1957, Vol II (115 pages)
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FY 1956 ASA History FY 1956, Vol. II (192 pages)
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FY 1954 ASA History FY 1954, Vol. II (320 pages)
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FY 1952 ASA History FY 1952, Vol. II (125 pages)
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FY 1951 History of ASA & Subordinate Units (126 pages)
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FY 1952 ASA History FY 1952, Vol. I (186 pages)
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FY 1948 Summary Annual Report ASA FY 1948 (85 pages)
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FY 1947 Summary Annual Report ASA FY 1947 (55 pages)
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FY 1945-1948 ASA: Post War Transition Period, the Army Security Agency FY 1945-1948 (154 pages)
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FY 1950 History of ASA & Subordinate Units (121 pages)
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FY 1946 Summary Annual Report ASA FY 1946 (289 pages)
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On The Roof Gang: Who's Harry Kidder
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History Today - CIRCE and Tactical COMSEC in Vietnam (Part 3) JANUARY 21 2025
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Military Cryptanalysis Part IV.PDF
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Military Cryptanalysis Part I.PDF
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Military Cryptanalysis Part II.PDF
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NSA's Key Role in Major Developments in Computer Science (Parts 1 & 2)
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Equipment Maintenance on ABNER
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R7 Memorandum to CRYPTOLOG Editor
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History of NSA General-Purpose Electronic Digital Computers; 1964
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ABNER: The ASA Computer; Part II
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NSA NEWSLETTER 1987 NOVEMBER
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German Radio Intelligence
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Spacecraft Passenger Television from Laika to Gagarin
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Selected SIGINT Intelligence Highlights
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Some Principles of Cryptographic Security
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Earliest Applications of the Computer at NSA
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Addendum to "A Cryptologic Fairy Tale"
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Key to The Extraterrestrial Messages
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The Library and the User
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Weather or Not - Encrypted?
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Curiosa Scriptorum Sericorum: To Write But Not to Communicate
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An Application of Queueing Theory to Computer Systems
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Bipolar Coding and Baseband Recovery
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The Voynich Manuscript: "The Most Mysterious Manuscript in the World"
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Cranks, Nuts, and Screwballs
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John Dee: Consultant to Queen Elizabeth I
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Extraterrestrial Intelligence
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A Text Recognition Procedure for Cryptanalysis
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The Apparent Paradox of Bayes Factors
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Time Is - Time Was - Time Is Past Computes for Intelligence
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Something May Rub Off!
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Some Reminiscences
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A Boer War Cipher
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Another Derivation of Binary Error Rates as a Function of Signal-to-Noise Power Ratio for Various Modulation Schemes
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A 'Binary' System for Complex Numbers
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Soviet Communications Journals as Sources of Intelligence
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Broadband Planar Log-Periodic Feed for the Spherical Reflector Used at Arecibo Ionospheric Observatory
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Approximations to the Distribution Function of Sums of Independent Identically Distributed Random Variables
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Use of Bayes Factors With a Composite Hypothesis
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A List of Properties of Bayes-Turing Factors
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Book Review: Pearl Harbor: Warning and Decision
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The LIGHTNING Program
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Aristocrat - An Intelligence Test for Computers
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A Cryptologic Fairy Tale
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Book Review: Lincos, Design of a Language for Cosmic Intercourse, Part 1
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German Agent Systems of World War II
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Are the Russians Gaining Wordwise?
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The Unbreakable Cipher
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The "Tunny" Machine and Its Solution
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Book Review: Lost Languages
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How the Germans Broke a U.S. Code
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The GEE System I
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The Borders of Cryptology
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Did Aleksandr Popov Invent Radio?
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Abstract Groups Defined by Generating Operators
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A Program for Correcting Spelling Errors
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COMINT Satellites - A Space Problem
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Bayes Marches On
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Approximation of Central Limits
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LIGHTNING
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Intercept of USSR Missile Transmissions
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The Special Felix System
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Cover and Deception
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Cryptanalysis in The German Air Force
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Soviet Science and Technology: Present Levels and Future Prospects
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Data Transmission Over Telephone Circuits
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Analysis of a Transistor Monostable Multiviibrator
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A New Concept in Computing
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About NSA
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Weather; its Role in Communications Intelligence
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Net Reconstruction - A Basic Step in Traffic Analysis
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A "Word Spotter"
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Signals from Outer Space
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Science and Cryptology
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Introduction to Traffic Analysis
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Development of Automatic Telegraph Switching Systems
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Chatter Patterns: A Last Resort
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A Precursor of Modern Communications Intelligence
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An Introduction to IBM Methods in Cryptanalysis
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Emergency Destruction of Documents
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Communication Intelligence
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Computers - The Wailing Wall
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Cryptology’s Role in the Early Development of Computer Capabilities in the United States
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National Computer Security Center and the Origins of NSA's Information Assurance Mission
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Ninety Years of Assessing Civilian Cryptologic Performance at the National Security Agency
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NSA Directors: The Selection and Confirmation Process
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Women in Mathematics Society
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Tale of the Tape
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Rare Books in the National Cryptologic Museum *
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The Origins of NSA *
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Fun Facts about Cryptology
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The History of Traffic Analysis: World War I - Vietnam *
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50th Anniversary Brochure
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Untangling the Web.PDF
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