Reizō Ōtsuka

1901

• Chūgoku Kyōsantō soshiki mondai shiryō
• Pekin seifu seiji soshiki kōryō
• Sekkōshō no tōyugyō
• Shina Kyōsantō shi
• Shina no keori kōgyō
• Shina nōson fukugyō mondai
• Shisen kōsatsu hōkokusho