71. Zwei Concert-Etüden Creator: Popper, David Format: print Type: supplement, model:supplement, and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
72. Zwei Concert-Etüden Creator: Popper, David Format: print Type: supplement, model:supplement, and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
73. Zweite Tarantella für Violoncell mit Begleitung des Pianoforte, op. 57 Creator: Popper, David Format: print Type: supplement, model:supplement, and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public