Tsuda Sōkichi no Shisōshiteki Kenkyū by Ienaga SaburōShun’ichi H. TakayanagiMN 28:4 (1973) pp. 497–99 → jstor.org/stable/2383565SharePacific Estrangement: Japanese and American Expansion, 1897–1911 by Akira IriyeMori Arimori by Ivan Parker Hall