This primary source comes from the Records from the War Department.
National Archives Identifier:
533644Full Citation: Photograph 165-WW-169B(4); Tacking up U.S. Food Administration posters at Mobile, Alabama.; ca. 1918; American Unofficial Collection of World War I Photographs, 1917 - 1918; Records from the War Department, Record Group 165; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/tacking-up-us-food-administration-posters-at-mobile-alabama, May 20, 2024]