@Book{sitereport_123116,
 author = "上毛郷土史研究會, ",
 title = "上毛及上毛人",
 volume = "171",
 publisher = "上毛郷土史研究會",
 year = 1931,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/123116,
 }