091 j: Countries, Japan, Labor Trouble in Essential Industries, Office of Intelligence Research Reports

091 b: Countries, USSR, "Supplement to Characteristics and Performance Handbook, U.S.S.R., Aircraft and Armament" (Directorate of Intelligence and Office of Naval Intelligence, 1 Jan 1948)

091 j: Countries, Japan, "Handbook on Japanese Military Forces, TM-E 30-480, C6, Changes No. 6" (War Department, 15 Sep 1945)

091 b: Countries, USSR, "Characteristics and Performance Handbook, U.S.S.R., Aircraft and Armament" (Assistant Chief of Air Staff 2 and Office of Naval Intelligence, 9 Jul 1947)