Hirotake Koyama
1912 – 1985
Anpo jōyaku ronsōshi- Gendai kyōsantō ron
- Gunji shisō no kenkyū
- Han'anpo no ronri to kōdō
- Kōza gendai hantaisei undōshi
- Nihon gunji kōgyō no shiteki bunseki
- Nihon Marukusu shugishi gaisetsu
- Nihon Marukusu-shugi shi
- Nihon no hi kyōsantō Marukusu shugisha
- Nihon rōdō undō shakai undō kenkyūshi
- Nihon rōdō undō shi
- Nihon shakai undōshi kenkyū shiron