Ms. Cover title. On double leaves. Handwritten on "Rikugun" stationery. Also available in digital form on the Library of Congress Website. Not found in NDL-OPAC, NACSIS Webcat, Google search, 2012-09-03 (This work must be a part (chapter 5 or 3) of larger work which is not identified). LC copy has "United States Air Force" stamped. At head of title: "第五編"--Cover; "第三編"--Caption title.