This primary source comes from the Records of the War Department General and Special Staffs, 1860 - 1952.
Full Citation: Photograph 165-WW-105H-10; Colleges and Universities - Hampton Institute - War activities of Hampton Institute, Hampton, Virginia.. Whittier School girls learning to knit for war sufferers; Colleges and Universities - Hampton Institute; American Unofficial Collection of World War I Photographs, 1917 - 1918; Records of the War Department General and Special Staffs, 1860 - 1952, Record Group 165; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/documents/document/whittier-school-girls-learning-knit-war-sufferers, September 10, 2024]