By David Kahn. Published by Scribner. The Code-Breakers. The Comprehensive History of Secret Communication. One Flaw. Small Crease to the Top Front Board (Photo 5).
@riseup.netBy David Kahn. Published by Scribner. The Code-Breakers. The Comprehensive History of Secret Communication. One Flaw. Small Crease to the Top Front Board (Photo 5).