Hata-shi to sono tami : torai shizoku no jitsuzō /

by Katō, Kenkichi, 1948-
Tōkyō : Hakusuisha, 1998

Wani-shi no kenkyū /

by Katō, Kenkichi, 1948-
Tōkyō : Yūzankaku, 2013
Shohan.

Yamato seiken to fumihitosei /

by Katō, Kenkichi, 1948-
Tōkyō : Yoshikawa Kōbunkan, 2002

Soga-shi to Yamato ōken /

by Katō, Kenkichi, 1948-
Tōkyō : Yoshikawa Kōbunkan, 1983
Shohan.

Kodai no chihō gōzoku to ōken, ryōkansei /

by Katō, Kenkichi, 1948-
Tōkyō : Iwata Shoin, 2022

Nihon kodai no shizoku to seiji, shūkyo /

Tōkyō : Yūzankaku, 2018
Shohan.

Nihon kodai no chiiki to kōryū /

Kyōto : Rinsen Shoten, 2016