Edogawa Ranpo daijitenTakayuki Ochiai, Hiroshi Sakamoto, Hidetada Fujii, Kenji Watanabe · First published 2021Open the Tome
Zasshi toshokan no zenbō to sono kenkyū katsuyō, kaitai shinshoHiroshi Sakamoto · First published 2021Open the Tome
Mie ni okeru chihō rōjin no hōkatsuteki kea shisutemuHiroshi Sakamoto, Yozaemon Yamazaki · First published 1985Open the Tome
Kindai bungaku no kenkyu taidoHiroshi Sakamoto · First published 1960 · Latest edition 1962Open the Tome
