Materials regarding the creation of a memorial film for Nakano Shigeharu: film edit log, budget list, newspaper clippings, photgraphs, and essays and articles by Tsuchimoto about Nakano.
Notes from Motoko Tsuchimoto: 土本典昭とスタッフや患者支援者へのFAXや手紙(水俣)(Fax and letter correspondence records between Tsuchimoto, movie staff and Minamata patient supporters).
Waseda University student's dissertation paper referencing Tsuchimoto's documtenary work. Includes a letter from the student (上山真, Ueyama Makoto) to Tsuchimoto with details about their dissertation.