21. Trois duos difficiles. Violoncelle Creator: Offenbach, Jacques Format: print Type: supplement, model:supplement, and TEXT Language: French Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
22. Trois duos difficiles. Violoncelle Creator: Offenbach, Jacques Format: print Type: supplement, model:supplement, and TEXT Language: French Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
23. Trois duos difficiles. Violoncelle Creator: Offenbach, Jacques Format: print Type: supplement, model:supplement, and TEXT Language: French Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public