April 21, 1921
The War Department is hereby directed to take over the records of the following organizations: Council of National Defense; War Industries Board; Committee on Public Information; War Labor Board.
WARREN G. HARDING
THE WHITE HOUSE, April 21, 1921.
Warren G. Harding, Executive Order 3439—Record of War Agencies Transferred Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/329250