著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Hamilton, Bernard","Monastic reform, Catharism, and the Crusades, (900-1300)",,Variorum Reprints,1979,Collected studies series,,0860780422,,https://cir.nii.ac.jp/crid/1130000796920080000