December 6, 1941
Re my #902.
There is really no need to tell you this, but in the preparation of the aide memoiré be absolutely sure not to use a typist or any other person.
Be most extremely cautious in preserving secrecy.
JD: 7144 Trans. 12-6-41 (S)
(EXHIBITS OF JOINT COMMITTEE , EXHIBIT NO. 1 INTERCEPTED DIPLOMATIC MESSAGES SENT BY THE JAPANESE GOVERNMENT BETWEEN JULY l AND DECEMBER 8, 1941)