Classificação da Biblioteca do Congresso dos E.U.A. (LCC)Z103
⮑ Z4-115.5. Books (General). Writing. Paleography
⮑ Z40-104.5. Writing
⮑ Z102.5-104.5. Cryptography. Ciphers. Invisible writing
Selected Works (234 total)
- Codes, Ciphers and Other Cryptic and Clandestine Communication: 400 Ways to Send Secret Messages from Hieroglyphs to the Internet de Fred B. Wrixon
- The Six Unsolved Ciphers: Inside the Mysterious Codes That Have Confounded the World's Greatest Cryptographers de Richard Belfield