9 public-domain matches

Code Words

Cover of Dowling's grain code

Dowling's grain code

P. F. Dowling

Cover of World War Two Special Operations Code Words And Operations

World War Two Special Operations Code Words And Operations

OSS

Cover of "UNICODE" : The Universal Telegraphic Phrase-Book : A code of cypher words for commercial, domestic and familiar phrases in ordinary use in inland and foriegn telegrams, with a list of prominent commercial firms who are Unicode users

"UNICODE" : The Universal Telegraphic Phrase-Book : A code of cypher words for commercial, domestic and familiar phrases in ordinary use in inland and foriegn telegrams, with a list of prominent commercial firms who are Unicode users

Unknown author

Cover of Notes On Code Words

Notes On Code Words

William F. Friedman

Cover of Slang Terms and Code Words: A Reference for Law Enforcement Personnel

Slang Terms and Code Words: A Reference for Law Enforcement Personnel

Unknown author

Cover of Abbreviations, Code Words, 1942-1945

Abbreviations, Code Words, 1942-1945

The White House

Cover of Bentley's complete phrase code

Bentley's complete phrase code

E. L. Bentley

Cover of "Unicode".: The Universal Telegraphic Phrase-book. A Code of Cypher Words for Commercial ...

"Unicode".: The Universal Telegraphic Phrase-book. A Code of Cypher Words for Commercial ...

[name missing]

Telegraphic Code to Insure Privacy and Secrecy in the Transmission of Telegrams

Telegraphic Code to Insure Privacy and Secrecy in the Transmission of Telegrams

Frank Miller