Ask Zelda

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Communicators

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Cryptologic Almanac Articles

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Cryptologic Histories

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Cryptologic Quarterly

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Cryptologic Quarterly Articles

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Cryptologic Spectrum Articles

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Cryptologs

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

History of the Army Security Agency

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

History Today Anthologies

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

History Today Articles

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Military Cryptanalysis

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

NSA Early Computer History

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

NSA Newsletters

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

NSA Technical Journal Articles

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

NSA/CSS

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

Untangling the Web

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF

NSA/CSS Policies

Rochford's Cipher: A Discovery in Confederate Cryptography
Fall 1973, Vol. XVIII, No. 4

Download Image: Full Size (2.99 MB)
Tags:
Photo by: Manuel J Marien |  VIRIN: ROCHFORDS-CIPHER.PDF