11 books
The Capture of the USS Pueblo and Its Effect on SIGINT Operations
Learning from the Enemy
Cryptologic Aspects of German Intelligence Activities in South America During World War II
The Quest for Cryptologic Centralization and the Establishment of NSA
Brigadier John Tiltman
Masked Dispatches
Essential Matters
The Quest for Cryptological Centralization and the Establishment of NSA
A History of US Communications Intelligence During WWII
Pearl Harbor Revisited
The Friedman Legacy