CONFIDENTIAL
WAR DEPARTMENT
WAR DEPARTMENT GENERAL STAFF
MILITARY INTELLIGENCE DIVISION G-2
Washington, December 6, 1941.
G-2/CI
JFP
Memorandum for
Colonel Holbrook:
Word has just been received from O. N. I. by telephone to the effect that the Japanese Embassy, in Washington, D. C., was reliably reported to have burned its Code Book and Ciphers last night.
James F. Perry,
JAMES F. PERRY,
1st Lt., Military
Intelligence,
Evaluation
Subsection.
(PROCEEDINGS OF CLARKE INVESTIGATION pg. 173)