This research subject guide, curated by Foundation librarians, is a collection of primary source material from the Marshall Research Library and Archives.
Complete Archival Collections:
Friedman Cryptologic Collection – This collection consists of material pertaining to either the science of cryptology or William F. Friedman, one of the foremost American cryptographers. The largest portion of this collection consists of copies of NSA/CSS documents made available to the National Archives. These Signal Research Histories (SRH), which all pertain to WW II intelligence matters, include articles and lectures by Friedman, Japanese diplomatic messages, reports on various wartime intelligence agencies, and copies of GCM correspondence concerning MAGIC and ULTRA. Also included are a scrapbook kept by amateur cryptanalyst Howard T. Oakley on the various applications of codes and a series of book reviews of David Kahn’s The Codebreakers.
Elizebeth Smith Friedman Collection – Wife of William F. Friedman, Elizebeth Friedman was an expert crypologist in her own right. She played a leading role in cracking criminal and military codes and was a pioneer in government cryptology. Elizebeth Friedman collaborated with her husband on The Shakespearean Ciphers Examined as well as studying the Beale Treasure and the Voynich Manuscript. The collection contains correspondence, government files, personal investigations, personal materials, newspaper clippings, and journals.
William F. Friedman Papers – William Frederick Friedman (1891-1969) was an American cryptologist, considered by experts to be the greatest of all time. The papers consist of general correspondence (1942-1969); government service papers; Congressional Relief Bill material; patents; speeches and writing; numerically indexed papers; and photographs. Correspondence with cryptographers of national and international renown can also be found. Friedman’s private cryptological work on such subjects as the Voynich manuscripts, codes and ciphers of ancient cultures, and the authorship of Shakespeare’s work are also treated in the collection. Also to be found is a personal library of 110 linear feet, 18 linear feet of vertical file material, and 12 linear feet of artifacts.
Gilbert Sanford Vernam Collection
Gilbert Sandford Vernam (1890-1960) worked for the research department of American Telephone and Telegraph and other communication companies, but he was best known for his contributions to the science of cryptology. The collection contains some random notes (1919), and an incomplete copy of an abstract of a speech by H.H. Timbers on “Printing Telegraphy” (1919) and blueprints of Multiple Test Set for No. 11 Lamp Multiple Test Circuit (1912). Also included is a copy of the Manual for the Solution of Military Ciphers by Parker Hitt (1918). The major part of the collections consists of three diaries kept by Vernam during 1918, 1919, and 1922-26. The 1918 volume deals primarily with the Morkrum Deciphering, Enciphering Set.
Suggested Reading List – Non-fiction, fiction, children and young adults, films and television suggestions included.