National Security Agency
20 works on record
Works

Silent Warriors

West Wind Clear

Eavesdropping on Hell

The Quest for Cryptologic Centralization and the Establishment of NSA : 1940-1952 : Series V

Cryptologic Excellence

Sharing the Burden

The Invisible Cryptologists : African-Americans, WWII to 1956 : Series V

Seward's Other Folly

U.S. Military Intelligence Personnel, 1944-1945
Untangling The Web
Operation REGAL
Index of Coincidence
National Security Agency and the EC-121 Shootdown
United States Cryptologic History
Hidden Data and Metadata in Adobe PDF Files
Battle of the Atlantic
Information Assurance Directorate
National Security Agency Information Assurance Guidance for Systems Based on a Security Real-Time Operating System
NSA Reveals How Codes of Mexico Were Broken (Cryptography Series)
Vatican Code Systems (Cryptographic Series (C-86))