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 "Shepherd, Stephen H.","Middle English romances : authoritative texts, sources and backgrounds, criticism",2nd ed,W.W. Norton,2023,Norton critical editions,,9780393934168,,https://cir.nii.ac.jp/crid/1130581214062388224