@book{ 0-1353262294, title = {Kinderklavierschule oder musikalisches ABC}, author = {Wohlfahrt, Heinrich and Ruthardt, Adolf}, editor = {Ruthardt, Adolf}, address = {Leipzig}, publisher = {Peters}, year = {1958}, edition = {Revidiert}, language = {German}, url = {https://katalog.hmt-leipzig.de/Record/0-1353262294} }