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 "Boltz, E. G. (E. Grant) and Skornicka, Joseph E. (Joseph Edward)",Rubank intermediate method for trombone and baritone : to follow any elementary method,,Rubank,1938,Rubank educational library,,,,https://cir.nii.ac.jp/crid/1130000795983888768