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 "Tillmann, Helene",Pope Innocent III,,"North-Holland,distributed by Elsevier North-Holland",1980,Europe in the Middle Ages,,0444851372,,https://cir.nii.ac.jp/crid/1130282270912674304