Kangokubeya haishiron

Kangokuron

Kangoku beya no shinsou

Jigoku ni umeku hitobito

Kangoku beya : jigoku ni umeku hitobito

Kangoku beya : jigoku ni umeku hitobito

Kangokuhou gairon

Kangokuhou gairon

Kangoku sagyouron

Kangoku shugiron

Kangokuhou gairon

Kangokuhou gairon

「廃止論」

Kangoku kouzouhou youron

Futsukoku kangoku kairyouron

Futsukoku kangoku kairyouron

Kangokuhi kokko shibenron

Kashi kangokuron : fu mākuhou

落第廃止論

金貨廃止論

通行税廃止論 : [通行税廃止論 (其一)]

監獄学

Kangokugaku

Kangokusoku

Kangokugaku