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 "Lütgen, B. and Spicker, Max",Twenty daily exercises,Medium voice,"Schirmer,Distributed by Hal Leonard",1936,Schirmer's library of musical classics,,9780634069505,,https://cir.nii.ac.jp/crid/1130000797919464448