Title: Zōbisan 1-gō kofun : Dai 1-ji hakkutsu chōsa no seika
Authors: Yōrō-chō Kyōiku Iinkai; Toyama Daigaku. Jinbun Gakubu Kōkogaku Kenkyūshitsu
Publisher: Yōrō-chō Kyōiku Iinkai,
Year: 1997