"HOLZAPFEL, BRUNO |f [componist]" . "36981 84843 HOLZAPFEL, BRUNO |f [componist] Opera manuum, toetsinstrument, Theil 001 (op. 002). A gr.t." . "84843" . . . "Opera manuum, toetsinstrument, Theil 001 (op. 002). A gr.t." . "36981" . "84843" . . "Opera manuum, toetsinstrument, Theil 001 (op. 002). A gr.t." . .