Ryukyu Islands

• Jinji kankei hōreishū
• Keizai shinkō daiichiji gokanen keikakusho
• Li yun
• Okinawa kenshi
• Rippōin giin senkyo kankei hōreishū
• Ryūkyū genkō rōdō kankei hōreishū
• 沖縄槪観