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VENONA Materials on Decision to Declassify

The U.S. Army's Signal Intelligence Service, the precursor to the National Security Agency, began a secret program in February 1943 later codenamed VENONA.

Date Type Document
20 Apr 1994 Email Doc 1: VENONA and FOIA
19 Sep 1994 Note Doc 2: FOIA Appeals for VENONA Documents
18 May 1995 SPF Doc 3: Response to DCI on VENONA
23 May 1995 SPF Doc 4: VENONA Release Guidance
25 May 1995 Note Doc 5: VENONA Stuff you Asked for
5 Jun 1995 SPF Doc 6: VENONA Translation Declassification Event
9 Jun 1995 Email Doc 7: FOIA Names re VENONA
23 Jun 1995 SPF Doc 8: Update on VENONA Ceremony
27 Jun 1995 SPF Doc 9: FOIA Appeal - Arnold Beichman - Hoover Institution
27 Jun 1995 SPF Doc 10: FOIA Appeal - Sanho Tree- Institute for Policy Studies
29 Jun 1995 SPF Doc 11: Release of VENONA Translations to FOIA Requesters
4 Aug 1995 Note Doc 12: Canberra Translations
29 Aug 1995 SPF Doc 13: VENONA Release Phase 2 - UPDATE
22 Sep 1995 Note Doc 14: Second VENONA Release
2 Oct 1995 MR Doc 15: Analytical Notes for Second VENONA Release
4 Oct 1995 SPF Doc 16: FOIA Appeal - Arnold Beichman - Hoover Institution
4 Oct 1995 SPF Doc 17: FOIA Appeal - Sanho Tree - Institute for Policy Studies
4 Oct 1995 SPF Doc 18: Note to DCI - VENONA 2 Release
10 Oct 1995 Email Doc 19: DCI FYI
18 Jan 1996 Email Doc 20: MLAD and Conference
19 Jan 1996 Note Doc 21: Subsequent Release of July 1995 VENONA Disclosure
7 Feb 1996 SPF Doc 22: Release of Names in VENONA Messages
12 Feb 1996 MR Doc 23: Analytical Notes for Third VENONA Release
21 Feb 1996 -- Doc 24: FOIA Appeal Letter to Arnold Beichman
21 Feb 1996 -- Doc 25: FOIA Appeal Letter to Sanho Tree
21 Feb 1996 -- Doc 26: Remaining VENONA Translations to be Released
24 Apr 1996 SPF Doc 27: VENONA Cable #1822
16 May 1996 Note Doc 28: Misc CI/VENONA
29 May 1996 SPF Doc 29: Response to Dr. Hamilton's 17 May Request to Confirm Receipt
17 Jun 1996 SPF Doc 30: VENONA Name in Dispute
3 Jul 1996 MR Doc 31: Analytical Notes for Fourth VENONA Release
8 Jul 1996 SPF Doc 32: FOIA Appeal - Arnold Beichman - Hoover Institution
8 Jul 1996 SPF Doc 33: FOIA Appeal - Sanho Tree - Institute for Policy Studies
23 Jul 1996 Email Doc 34: Names Related to VENONA
5 Aug 1996 Email Doc 35: GRU Messages
21 Aug 1996 -- Doc 36: Soviet Espionage and the American Response, 1939-1957
20 Sep 1996 MR Doc 37: Analytical Notes for Fifth VENONA Release
24 Sep 1996 SPF Doc 38: FOIA Appeal - Arnold Beichman - Hoover Institution
24 Sep 1996 SPF Doc 39: FOIA Appeal - Sanho Tree - Institute for Policy Studies
3 Sep 1997 SPF Doc 40: FOIA Appeal - Sanho Tree - Institute for Policy Studies
-- -- Doc 41: Treatment of Names in VENONA Translations