Foreign Relations of the United States: Diplomatic Papers, The Conference of Berlin (The Potsdam Conference), 1945, Volume II

Department of the Army Files: Telegram

No. 1312
The Acting Chairman of the Interim Committee (Harrison) to the Secretary of War (Stimson)

top secret
operational priority

Washington, 23 July 1945.

War 36792. Secretary of War Eyes Only top secret from Harrison.

Operation may be possible any time from August 1 depending on state of preparation of patient and condition of atmosphere. From point of view of patient only, some chance August 1 to 3, good chance August 4 to 5 and barring unexpected relapse almost certain before August 10.