Osamu Oba

1927

• Jianghu shi dai Zhongguo dian ji liu bo Riben zhi yan jiu
• Kankan kenkyu
• Kodai chusei ni okeru Nitchu kankeishi no kenkyu
• Edo jidai ni okeru Chugoku bunka juyo no kenkyu
• Kanseki yunyu no bunkashi
• Mokkangaku nyumon
• Shin Kan hōseishi no kenkyū