Japan. Fukuoka-ken : administrative divisions, November 1943.United States. Department of State. Division of Map Intelligence and Cartography1947"10239 November 1947.""Base map: Fukuoka-ken, Dai Nippon Bunken Chizu, Tökyō, 1938. (Base map contain slight errors in scale, especially in peripheral areas.)""Boundaries revised from Japanese General Staff 1:50,000.""Code used for the ken, gun, andcartographic