Minami Manshū Tetsudō Kabushiki Kaisha. Nōritsugakari

• Bujun Tankō Tōgō honkō shuttan sagyo ni tsuite no kenkyū hōkoku
• Doitsujin wa ikani shite kokuun fukkō ni doryokushitsutsu aru ka
• Mantetsu dai 3-kai nōritsu kōshūkai kōenshū