This is the first of a two-part history of German clandestine activities in South America in World War II. In this first volume, the author, Mr. David Mowry, id
This official government publication investigates the impact of the Holocaust on the Western powers' intelligence-gathering community. It explains the archival
This important NSA publication provides a historical guide to German clandestine activities in South America in World War II. It identifies and presents a thoro
This publication joins two cryptologic history monographs that were published separately in 1989. Part I (German clandestine activites), identifies and presents
Protesters called it an act of war when the U.S. Coast Guard sank a Canadian-flagged vessel in the Gulf of Mexico in 1929. It took a cool-headed codebreaker sol