Fukaya koyōshigun koyōshi (dai 6-gōyō, dai 7-gōyō) hakkutsu chōsa hōkoku
By: Hikosu Dai 2 Chiku Hihojo Tochi Kairyō Hojō Seibi Jigyō Kankei Maizō Bunkazai Hakkutsu Chōsadan hen
Publisher: Handa-shi Kyōiku Iinkai
Published: 1985
Place of publication: Hanta
Language: jpn