@Book{sitereport_130491,
 author = "島原市教育委員会, ",
 title = "長崎県指定史跡島原城跡保存活用計画",
 volume = "",
 publisher = "島原市教育委員会",
 year = 2021,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/130491,
 }