This primary source comes from the Records of the Office of Government Reports, 1932 - 1947.
National Archives Identifier:
515295Full Citation: REMEMBER PEARL HARBOR; ca. 1942 - 1945; World War II Posters; Records of the Office of Government Reports, 1932 - 1947, Record Group 44; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/remember-pearl-harbor-uncle-sam, May 2, 2024]