Incoming Resources
- "Ėnigma", kak byl vzloman nemet︠s︡kiĭ shifrator, L. D. Laĭner
- The book of codes, understanding the world of hidden messages : an illustrated guide to signs, symbols, ciphers, and secret languages, Paul Lunde, general editor
- Code cracking for kids, secret communications throughout history, with 21 codes and ciphers, Jean Daigneau
- The Voynich manuscript, edited by Raymond Clemens ; with an introduction by Deborah Harkness
- The Voynich manuscript, the unsolved riddle of an extraordinary book which has defied interpretation of centuries, Gerry Kennedy and Rob Churchill
- Cracking the symbol code, revealing the secret heretical messages within Church and Renaissance art, Tim Wallace-Murphy
- Top secret, a handbook of codes, ciphers, and secret writing, Paul B. Janeczko ; illustrated by Jenna LaReau
- Security of block ciphers, from algorithm design to hardware implementation, Kazuo Sakiyama, Yu Sasaki, Yang Li