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MOST IMPORTANT SINGLE PUBLICATION IN CRYPTOLOGY

The Index of Coincidence and Its Applications in Cryptography : Publication No. 22 WITH L'indice de coïncidence et ses applications en cryptographie Publication No 22 ( Traduction Francaise). (together 2 Volumes, Riverbank Publication)

Paris: Imprimerie-Librairie Militaire Universelle, L. Fournier 1921. First Edition. Publication No 22 (English): 87 pages; WITH Publication No 22 (French): 91 pages. Together 2 volumes. Lacks the rare English and French 8 page appendix inserts. Publisher's stiff tan wrappers with black printed front cover duplicating title page. Hinges reinforced with..... More

Item #27290 The Index of Coincidence and Its Applications in Cryptography : Publication No. 22...
Item #27290

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