Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Cipher and telegraph codes 1 SEE ALSO: Morse code 5 Cipher and telegraph codes -- Fiction. 2 Cipher and telegraph codes -- History -- Fiction. 2 Cipher and telegraph codes -- Juvenile fiction. 2 Cipher fiction -- SEE: Cryptologic fiction 131 Cipher stories. 4 SEE: Ciphers -- Fiction 77 SEE: Ciphers -- Fiction 77 SEE: Code and cipher stories 193 Ciphers 24 SEE ALSO: Abbreviations 15 SEE ALSO narrower term: Cipher and telegraph codes 1 SEE ALSO: Code names 1 SEE ALSO: Cryptography 40 SEE ALSO: Machine ciphers 3 SEE ALSO narrower term: Telegraph 2 SEE ALSO: Writing 200 Ciphers -- Comic books, strips, etc. 2 Ciphers -- Drama. 8 Ciphers -- Fiction 77 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >