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 "譚, 盾 and Griffiths, Paul",Marco Polo : an opera within an opera,,"G. Schirmer,Hal Leonard [distributor]",1996,G. Schirmer's collection of opera librettos,,0634002384,,https://cir.nii.ac.jp/crid/1130000794559478272