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A chronological table of modern Japanese shipping - No. 1; 1600-1799 ; No. 2; 1800-1912
Sasaki, Seiji, (1965)
The distinction between "Shasen" and "Shagaisen" as historical concepts in Japanese shipping
Sasaki, Seiji, (1956)
A little study on the transition from sailing vessel to steamer in Japan
Sasaki, Seiji, (1957)