Tanaka, Kathryn (3 May 2016). "Writing Ties in Japan: Family, Familialism, and Children's Writing in an Early Twentieth-century Hansen's Disease Hospital". Japanese Studies. 36 (2): 231–250. doi:10.1080/10371397.2016.1208529. ISSN1037-1397. S2CID151599096.
Miyasaka, Michio (2014). "Justice of Listening: Japanese Leprosy Segregation"(PDF). In Jensen, Meg; Jolly, Margaretta (eds.). We Shall Bear Witness: Life Narratives and Human Rights. University of Wisconsin Press. p. 9.
Tanaka, Kathryn (3 May 2016). "Writing Ties in Japan: Family, Familialism, and Children's Writing in an Early Twentieth-century Hansen's Disease Hospital". Japanese Studies. 36 (2): 231–250. doi:10.1080/10371397.2016.1208529. ISSN1037-1397. S2CID151599096.
thn.jp
web.thn.jp
Hisayo, Okano. "明石海人の年譜". web.thn.jp. Retrieved 10 August 2019.
Tanaka, Kathryn (3 May 2016). "Writing Ties in Japan: Family, Familialism, and Children's Writing in an Early Twentieth-century Hansen's Disease Hospital". Japanese Studies. 36 (2): 231–250. doi:10.1080/10371397.2016.1208529. ISSN1037-1397. S2CID151599096.