1. Nihon mengyo hattatsushi Author: Sanpei, Koko, 1905- Format: Book Language: Japanese Published: [1947]
2. Nōsonki / Sanpei Kōko. Joshi rōdō ni kansuru hōkoku / Shōwa Kenkyūkai Jimukyoku hen農村記 / 三瓶孝子. 女子労働に関する報告 / 昭和研究会事務局編 Author: Sanpei, Kōko, 1905-1978 and 三瓶孝子, 1905-1978 Format: Book Language: Japanese Published: 2004