Journalist and historian McKay (The Secret Lives of Codebreakers) offers a sweeping examination of codes, ciphers, and other types of encrypted communication from ancient Greece to today’s ...
In 1931, Herbert O. Yardley published a tell-all book about his experiences leading a covert government agency called the Cipher Bureau Peter Zablocki - History Correspondent Herbert O. Yardley ...
The history of codes and ciphers in the United States during World War I / edited by Wayne G. Barker
"This book is a continuation of The history of codes and ciphers in the United States prior to World War I ... and is essentially volume 2 of Historical background of the Signal Security Agency, ...
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