Port of Sakata: Answers to questionnaire to harbor officials. Report No. 54a(17)(a), USSBS Index Section 2

Port of Niigata: Answers to questionnaire for harbor officials. Report No. 54a(14)(a), USSBS Index Section 2

Port of Muroran: Answers to questionnaire for harbor officials. Report No. 54a(10)(b), USSBS Index Section 2

Port of Maizuru: Reply to questionnaire for harbor officials(Japanese). Report No. 54a(9)(d), USSBS Index Section 2

Port of Hakodate: Answers to USSBS questionnaire. Report No. 54a(4)(e), USSBS Index Section 2

Port of Fushiki: Fushiki Maritime Office Harbor officials' reply to questionnaire(Japanese). Report No. 54a(1)(b), USSBS Index Section 2

Answers to USSBS questionnaire from Konan plant officials. Report No. 18c(1), USSBS Index Section 2

Port of Sakata: Monthly shipping data. Report No. 54a(17)(b), USSBS Index Section 2

Port of Tokyo: Interrogation of harbor master and other officials. Report No. 54a(21)(e), USSBS Index Section 2

Answers to USSBS questionnaire. Report No. 19c(5), USSBS Index Section 2

Answers to USSBS questionnaire. Report No. 34a(1), USSBS Index Section 2

Answers to USSBS questionnaire from Takara-zuka plant officials (part Japanese). Report No. 18e(1), USSBS Index Section 2

Port of Sakata: Dally record of entriea and clearances. Report No. 54a(17)(c), USSBS Index Section 2

Answers to supplementary questionnaire. Report No. 19b(5), USSBS Index Section 2

Answers to USSBS questionnaire No. 1. Report No. 19b(1), USSBS Index Section 2

Port of Tokyo: Plans of harbor. Report No. 54a(21)(c), USSBS Index Section 2

Japanese answers to Naruo plant questionnaire. Report No. 18b(1), USSBS Index Section 2

Port of Nagasaki: Interrogation of harbor masters. Report No. 54a(11)(c), USSBS Index Section 2

Port of Jinsen: Interrogation of harbor master. Report No. 54a(6)(c), USSBS Index Section 2

Port of Kobe: Report by Kobe harbor master(Japanese). Report No. 54a(7)(a), USSBS Index Section 2

Korea(General): Interrogation of harbor master and other officials. Report No. 54a(8)(d), USSBS Index Section 2

Port of Osaka: Interrogation of chief of harbor. Report No. 54a(15)(b), USSBS Index Section 2

Japanese reply to questionnaires for harbor officials. Report No. 54eee, USSBS Index Section 2

Port of Otaru: Description of port. Report No. 54a(16)(a), USSBS Index Section 2

Port of Muroran: Description of port. Report No. 54a(10)(a), USSBS Index Section 2