Bentley's complete phrase code
Subtitle: (nearly 1000 million combinations) with at least 2 letters difference between each half-code word
Published: 1906
Place of publication: Place of publication not identified]: Pref.]
Language: eng
Subjects: Cipher and telegraph codes
Other titles: Complete phrase code.
Notes: Title page has mounted label: C. Bensinger Co., New York.

"Reprint of first edition."