21. Council of National Defense. Preliminary inventory of Council of National Defense records, 1916-21 [with bibliography]. Bookmark Corporate/Agency Authors: National Archives Publisher: National Archives Date: Dec. 1942 SuDoc number: AE 1.10:2
22. War Industries Board, Preliminary inventory of War Industries Board records [with bibliography]. Bookmark Corporate/Agency Authors: National Archives Publisher: National Archives Date: May 1941 SuDoc number: AE 1.10:1