Ishida H., Dodo Y., Ohshima N., Matsumura H., 1988: Estimation of stature of the Epi-Jomon Esan people in Hokkaido – a preliminary report. 7 pp. (in Japanese). Memoirs of the National Science Museum 21: 221-227.

 Ishida H., Yonemura T., 1993: A human skeletal remains of the Okhotsk culture excavated at the Omagari 7 cave site, Abashiri, Hokkaido. 7 pp. (in Japanese). Memoirs of the National Science Museum 26: 143-149.