Cryptography, the science of secret writing
Smith, Laurence Dwight.
creator
text
bibliography
enk
London
George Allen & Unwin
1944
1943
[1st ed.]
monographic
eng
164 p. : illus. ; 22 cm.
by Laurence Dwight Smith.
Includes bibliographical references and index.
Cryptography
Cryptography
History
Ciphers
Z104 .S5
652.8
43006666
DLC
770125
20161110165703.0
3109278