Keishō Tsukamoto
1929
The treatise on the elucidation of the knowable
A comprehensive study of the Aśokan inscription
Ashoka-ō
Ashōka-ō hibun
Bongo butten no kenkyū
Budda
Hokekyō no bunka to kiban
Hokekyō no seiritsu to haikei
Indo Bukkyō himei no kenkyū
Indo Bukkyō ni okeru kyozō to jitsuzō
Ningen sono sei to shi
Pŏphwagyŏng ŭi sŏngnip kwa paegyŏng