This primary source comes from the Records of the War Department General and Special Staffs.
National Archives Identifier:
533761Full Citation: Photograph 165-WW-595D(19); Mrs. L. O. King, Washington's traffic policewoman; ca. 1917 - 1919; American Unofficial Collection of World War I Photographs, 1917 - 1918; Records of the War Department General and Special Staffs, Record Group 165; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/documents/document/washingtons-traffic-policewoman, April 24, 2025]