Yokohama-shi Bunkazai Sōgō Chōsakai

• Izumi-ku sekizōbutsu chōsa hōkokusho
• Midori-ku sekizōbutsu chōsa hōkokusho
• Ryūgeji shiryō mokuroku
• Sōshū Kamakura-gun Nakada-mura Koyama-ke monjo mokuroku
• Totsuka-ku sekizōbutsu chōsa hōkokusho
• Yokohama no bunkazai