Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Köhler, Louis and Deis, Carl",Special studies for pianoforte = Estudios especiales para piano : opus 112,,G. Schirmer,1922,Schirmer's library of musical classics,,,,https://cir.nii.ac.jp/crid/1130575098510825127