Shōzō Kokubu
Biruma chimei no kigen- Biruma meguri
- Biruma no fūzoku shūkan
- Biruma no Karen-zoku oyobi Padan-zoku no hanashi
- Biruma no keizai jijō
- Biruma no sairei
- Biruma sangyō chishi gaiyō
- Biruma sangyō shinkō ni kansuru chakusō
- Goruka bekken
- Hōjin no Biruma shinshutsu ni kansuru ichikōsatsu
- Saikin no Biruma jijō
- Shan chihō shokumin ron