Secret diplomacy; espionage and cryptography, 1500-1815

Bibliographic Details
Main Author:	Thompson, James Westfall 1869-1941
Other Authors:	Padover, Saul Kussiel 1905- joint auth
Format:	Book
Language:	English
Published:	New York F. Ungar Pub. [c1963].
Subjects:	Diplomacy > Hist. Secret service. Cryptography. Europe > Politics.