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Browsing results matching Cipher and telegraph codes

	Subject	Titles
1.	Cipher and telegraph codes	1
2.	See also: Morse code	1
3.	See also: Signs and symbols	8
4.	See also: Ciphers	2
5.	Cipher and telegraph codes -- Fiction.	2
6.	Cipher and telegraph codes -- Juvenile fiction.	1
7.	Cipher thrillers	0
8.	See: Code and cipher stories.	68
9.	Ciphers	2
10.	See also: Writing	7
11.	See also: Signs and symbols	8
12.	See also: Cryptography	4
13.	See also: Abbreviations	4
14.	See also: Cipher and telegraph codes	1
15.	See also: Telegraph	2
16.	Ciphers -- Comic books, strips, etc.	1
17.	Ciphers -- Fiction	8
18.	Ciphers -- History -- Juvenile literature	1
19.	Ciphers -- Juvenile fiction	37
20.	Ciphers -- Juvenile literature	3