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 "Gottfried, von Strassburg, 13th cent. and Closs, August",Tristan und Îsolt : a poem,,Basil Blackwell,1947,Blackwell's German texts,,,,https://cir.nii.ac.jp/crid/1130000797753522560