Description d'un système cryptographique à l'usage de l'armée
By: par L. Schneider.
Contributors: George Fabyan Collection (Library of Congress)
Publisher: L. Fournier
Published: 1912
Place of publication: Paris
Language: fre
Number of pages: 31
Subjects: Cryptography.; Ciphers.; Signs and symbols.
Notes: Galland p. 162
LC copy is item no. 556 of the George Fabyan Collection.