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- catalog contributor b9668118.
- catalog created "[1932]".
- catalog date "1932".
- catalog date "[1932]".
- catalog dateCopyrighted "[1932]".
- catalog extent "[1]-190 p., 1ℓ. diagrs.".
- catalog issued "1932".
- catalog issued "[1932]".
- catalog language "eng".
- catalog publisher "London, Hutchinson & Co.,".
- catalog spatial "United States.".
- catalog subject "Ciphers.".
- catalog subject "Cryptography.".
- catalog subject "World War, 1914-1918 Secret service United States.".
- catalog title "Ciphergrams.".
- catalog type "text".