Joseph K. Yamagiwa ·1959-03-01 ·『Far Eastern Survey』 28(3) pp. 44-45
5件 （「Ryu S」）
Tadashi Hidano・Ryuji Ito ·1961-01-01 ·『The Japanese Journal of Educational Psychology』 9(1) pp. 34-43,64
Samuel E. Martin ·1966-06-01 ·『Language』 42(2) pp. 185-251
Ryuzo Toriyama ·1967-02-15 ·『Memoirs of the Faculty of Science Kyūsyū University Series D Geology』 18(1) pp. 35-260
Takehiko Takabayasi ·1955-10-01 ·『Progress of Theoretical Physics』 14(4) pp. 283-302