List of all Mitsubishi-owned or controlled factories in the Nagasaki area with those bombed out indicated(2). Source: Ogawa. manager of Nagasaki Mitsubishi shipyards, via 2d Mar. Div., G-2. Report No. 3d(2), USSBS Index Section 2

Report on schools in Nagasaki taken over by Mitsubishi, and more detailed account on use of schools by Mitsubishi shipyards(2, 1 incomplete). Source: Ogawa, manager of Nagasaki. Mitsubishi shipyards, via 2d Mar. Div., G-2. Report No. 3d(3), USSBS Index Section 2

Mitsubishi plants in Nagasaki. Source: T. Oda, manager, ship department, Mitsubishi Heavy Industries, Ltd. Report No. 3d(17), USSBS Index Section 2

Investigation of Mitsubishi ordnance works, construction section No.1-Production, organization, equipment, etc. (1). Source: Honda, Yusaku, manager, main office, construction section No. 1, via 2d Mar. Div., G-2. Report No. 3d(1), USSBS Index Section 2

List of underground equipment at the Nagasaki shipyards(1). Source: Ship department, Mitsubishi Heavy Industries, Ltd. Report No. 3d(9), USSBS Index Section 2

Mitsubishi ordnance report Atombomb damage. Source: Report from Nagasaki ordnance plant to chief to managing director. Report No. 3d(18), USSBS Index Section 2

List of underground equipment at the Nagasaki arms works(1). Source: Ship department, Mitsubishi Heavy Industries, Ltd. Report No. 3d(10), USSBS Index Section 2

Abstract of application for permission to convert to essential consumers' commodities, 21 November 1945(1). Source: Nagasaki steel works c. Mitsubishi Steel Manufacturing Company, Ltd. Report No. 3d(6), USSBS Index Section 2