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
"Gregory I, Pope, ca. and Norberg, Dag Ludvig",S. Gregorii Magni Registrvm epistvlarvm,,Brepols,1982,Corpvs Christianorvm,,"250301402X,2503014011,2503014046,2503014038,2503000002",,https://cir.nii.ac.jp/crid/1130000794372981120