National Archives, Record Group 44: Records of the Office of Government Reports, 1932-1947, Series: World War II Posters, compiled 1942-1945, http://research.archives.gov/description/515519.
National Archives, Record Group 44: Records of the Office of Government Reports, 1932-1947, Series: World War II Posters, compiled 1942-1945, http://research.archives.gov/description/515518.