This primary source comes from the Records of the U.S. Food Administration.
Full Citation: State Hotel Restaurant Department Report; 6/17/1918; 20c - H.S. Hadfield, 1917 - 1919; General Correspondence, 1917 - 1918; Records of the U.S. Food Administration, Record Group 4; National Archives at Chicago, Chicago, IL. [Online Version, https://www.docsteach.org/documents/document/state-hotel-restaurant-department-report, May 15, 2024]