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DatasetsBeale ciphersNSA Beale Papers release (17 declassified PDFs)
Dataset · corpus

NSA Beale Papers release (17 declassified PDFs)

Press clippings, the Beale Cypher Association's "Historical and Analytical Studies" (7 March 1970 and 15 April 1972), Hammer's "Signature Simulation and Certain Cryptographic Codes", and an internal "Beale Treasure: Fact or Fiction" note. The PDFs could not be opened from this session; the four listed are the analytical ones.

Beale ciphersBeale ciphersVersion 1.0Licence public-domainUpdated 26 Oct 2026

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