Tōru Ōtsu

Ōken o kangaeru

Nihon kodai ritsuryōsei to Chūgoku bunmei

Ritsuryō kokka to Zui Tō bunmei

Fujiwara Michinaga jiten

Rekishigaku no genzai

Shiryōron

Chiikiron

Kin-gendai

Genshi, kodai

Ritsuryōsei to wa nani ka

Shinwa kara rekishi e

Nihon kodaishi o manabu

Nittō ritsuryō hikaku kenkyū no shindankai

Ōken o kangaeru