Keiya, Yoshio

1925

• Atarashii shūgyō kisoku to rōdō kyōyaku
• Hanrei ni miru risutora to koyō taisaku
• Kaiko o meguru hōritsu mondai
• Kōrōhō no hanrei
• Rōdō kumiai to tsukiau hō
• Rodoho kyoshitsu
• Rōdōhō kyōshitsu
• Rōdō shakai hokenhō no kiso chishiki
• Rōso taisaku no kandokoro
• Shin Shokuba no rodoho
• Shin Shokuba no rōdōhō