المؤلفون: Paditz, Ekkehart, Gunar Hochheiden, Jürgensen, Dunja S., Erklärvideoagentur, Eva Die, Piano, Brigitte Engerer, Robert Schumann Kinderszene 1 Op

الاتاحة: https://dx.doi.org/10.13140/rg.2.2.27705.38248
https://rgdoi.net/10.13140/RG.2.2.27705.38248