Zimmermann Verlag Meine Harfe
Zimmermann Verlag Meine Harfe, Coursebook for Harp, For Irish harp without pedal, Tyrolean harp with single pedal, and concert harp with double pedal, By Egbertine Korfmacher-de Vente, ISMN: 9790010802503, Publisher's no. ZM 80250, Format: DIN A4, 35 Pages, In German language