Links to more declassified documents

Links last checked 26 Feb 2021. New sources are popping up frequently.

SRH is the abbreviation for “Special Research History,” which are compendium and analyses of classified documents. Many time they were used for future planning.

Documents related to the Intelligence War in the European Theatre of Operations at Hyperwar. Scroll down the page.

Many declassified documents at NSA Cryptologic Histories

Documents at the Internet Archive. Many search terms possible including Enigma and Bombe

Extracts from COMMENDATIONS Received By U. S. Naval Communication Intelligence Organization Since 1 January 1942

An index to the large collection at the Naval History and Heritage Command.

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