REKIHAKU kokusai shinpojiumu : Kakô 1 man nenkan no rikuiki kankyô no hensen to shizen saigai shi

Kokuritsu Rekishi Minzoku Hakubutsukan (Sakura, Chiba-ken): kenkyû hôkoku vol. 81.1999
National Museum of Japanese History (Chiba): bulletin vol. 81.1999
Sakura : National Museum of Japanese History, 1999.