Japan communications commission, Hakodate area(Esan). Report No. 104d(2), USSBS Index Section 2

Federal Communications Commission intercepts. Report No. 10d(1), USSBS Index Section 2

Submarine hydro-phone detection unit(Hakodate area). Report No. 104g, USSBS Index Section 2

Defenses of Hakodate. Report No. 106e, USSBS Index Section 2

Report of Ships Bombardment Survey Party(Enclosure D) Hakodate Area. Report No. 84, USSBS Index Section 2

Port of Hakodate. Report No. 54sss(3), USSBS Index Section 2

Hakodate Dockyard-Hakodate Dock Company - statistical data. Report No. 48b(6), USSBS Index Section 2

Hakodate Dockyard-Hakodate Dock Company - statistical data. Report No. 48b(6), USSBS Index Section 2

Attacking Japanese communications. Report No. 1o(3), USSBS Index Section 2

Miscellaneous interoffice communications. Report No. 14a(30), USSBS Index Section 2

Charts showing communications networks for all Japan (Japanese). Report No. 4cc, USSBS Index Section 2

Consulate area. Report No. 3v(45), USSBS Index Section 2

Tokyo area. Report No. 11l(9), USSBS Index Section 2

Kumamoto area. Report No. 11l(10), USSBS Index Section 2

Port of Hakodate. Report No. 83b(1)-(3), USSBS Index Section 2

Radio Communications Equipment Company report. Report No. 45t(1), USSBS Index Section 2

Japan. Report No. 11l(4), USSBS Index Section 2

Muroran dockyard-Hakodate-statistical data. Report No. 48b(20), USSBS Index Section 2

Muroran dockyard-Hakodate-statistical data. Report No. 48b(20), USSBS Index Section 2

Osaka-Kobe area. Report No. 11l(8), USSBS Index Section 2

Productive floor area. Report No. 17d(5), USSBS Index Section 2

Northwest Nagoya area. Report No. 11l(12), USSBS Index Section 2

Japanese Communications Intelligence, Serial No. 208. Report No. 2-s, USSBS Index Section 8

Japanese Communications Intelligence, Serial No. 208. Report No. 2-t, USSBS Index Section 8

Map of communications network-China. Report No. 64g(5), USSBS Index Section 2