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1
Encyclopedia of Cold War espionage, spies, and secret operations
Опубліковано 2009An electronic book accessible through the World Wide Web; click to view
Електронний ресурс eКнига -
2
Encyclopedia of military technology and innovation
Опубліковано 2004An electronic book accessible through the World Wide Web; click to view
Електронний ресурс eКнига -
3
Words of intelligence an intelligence professional's lexicon for domestic and foreign threats /
Опубліковано 2011An electronic book accessible through the World Wide Web; click to view
Електронний ресурс eКнига -
4
Historical dictionary of the U.S. Army
Опубліковано 2001An electronic book accessible through the World Wide Web; click to view
Електронний ресурс eКнига