The American black chamber / by Herbert O. Yardley.

Author/creator Yardley, Herbert O.
Format Book
Publication InfoIndianapolis : The Bobbs-Merrill Company, [©1931]
Description375 pages : frontispiece, illustrations, plates, portraits, facsimiles ; 23 cm
Subjects

General noteThe history and work of the Cryptographic bureau, officially known as section no. 8 of the Military intelligence division (M I-8)
General note"First edition."
LCCN 31014831