No. FE-226.4, 20 January 1945, estimated ship-ping tonnages and port capacities in Onomichi-Okayama area (Inland Sea). Report No. 5-b(18), USSBS Index Section 6

No. FE-226.6, 12 March 1945, estimated ship-ping tonnages and port capacities in Nagoya-Tokyo area. Report No. 5-b(19), USSBS Index Section 6

No. FE-226.7, 6 April 1945, estimated shipping tonnages and port capacities in west Honshu (Tsuruga southward) area. Report No. 5-b(20), USSBS Index Section 6

OP-16-FE 11-45, January 1945, information on port of Rashin (Najin). Report No. 13-a(8), USSBS Index Section 6