http://www.gutenberg.org/ebooks/subject/7600.opds
2024-11-08T03:51:36Z
Books about Ciphers (sorted by popularity)
Free eBooks since 1971.
Project Gutenberg
https://www.gutenberg.org
webmaster@gutenberg.org
https://www.gutenberg.org/gutenberg/favicon.ico
25
1
2024-11-08T03:51:36Z
https://sendtokindle.compellingsciencefiction.com/ebooks/subject/7600.opds?sort_order=title
Sort Alphabetically by Title
2024-11-08T03:51:36Z
https://sendtokindle.compellingsciencefiction.com/ebooks/subject/7600.opds?sort_order=release_date
Sort by Release Date
2024-11-08T03:51:36Z
https://sendtokindle.compellingsciencefiction.com/ebooks/26839.opds
Mathematical Recreations and Essays
W. W. Rouse Ball
2024-11-08T03:51:36Z
https://sendtokindle.compellingsciencefiction.com/ebooks/48871.opds
Manual for the Solution of Military Ciphers
Parker Hitt
2024-11-08T03:51:36Z
https://sendtokindle.compellingsciencefiction.com/ebooks/42297.opds
La Cryptographie, ou, l'art d'écrire en chiffres (French)
P. L. Jacob