Report on Karatsu iron works. Report No. 39vv(4), USSBS Index Section 2

Report on the Yobe works. Report No. 38t(4), USSBS Index Section 2

Okuma Iron Works. Report No. 2-s, USSBS Index Section 8

Japan iron works. Report No. 108f(3), USSBS Index Section 2

Wanishi iron works. : Report No. 108f(12), USSBS Index Section 2

Osaka iron works. Report No. 108f(10), USSBS Index Section 2

Report on Kewasaki works. Report No. 38t(2), USSBS Index Section 2

Ishii Iron Works Company. Report No. 39k(5), USSBS Index Section 2

Data on Riken Industrial Corporation. Report No. 39vv(7), USSBS Index Section 2

Data on Riken Industrial Corporation. Report No. 39vv(7), USSBS Index Section 2

Kawasaki iron and steel works. Report No. 108f(8), USSBS Index Section 2

Report on Aboshi works. Report No. 38t(13), USSBS Index Section 2

Report on Oshiki works. Report No. 38t(14), USSBS Index Section 2

Report on Ohhito works. Report No. 38t(18), USSBS Index Section 2

Report on Kamo works. Report No. 38t(19), USSBS Index Section 2

Report on Kawagishi works. Report No. 38t(20), USSBS Index Section 2

Report on Toriimatsu works. Report No. 38t(8), USSBS Index Section 2

Report on Fuji works. Report No. 38t(22), USSBS Index Section 2

Report on Nagasaki arms works. Report No. 59l, USSBS Index Section 2

Report on Ohmiyacho works. Report No. 38t(9), USSBS Index Section 2

Report on Matsukawa works. Report No. 38t(15), USSBS Index Section 2

Report on Kobe works. Report No. 38t(16), USSBS Index Section 2

Report on Osaka works. Report No. 38t(21), USSBS Index Section 2

Report on Nagai works. Report No. 38t(7), USSBS Index Section 2

Report on Yanagimachi works. Report No. 38t(12), USSBS Index Section 2