Tsuruji Kotani
1912
Heiwa e no michi- Kenpō to sono shūhen
- Kihonteki jinken to kokusai heiwa -- shiryō to kenkyū --
- Kokusai heiwa-dokuhon
- Kokusaihōgaku yōkō
- Kyōyō kokusaihō
- Nihon kenpō yōkō
- Nihon no kanyū seru jōyaku mokuroku ; kokusai mondai ni kansuru bunken mokuroku
- Sensō hōki kara sekai renpō e
- Sensō kara heiwa e no kyōyō
- Steps toward peace