"Voluntaries, toetsinstrument. 1769. Nr. ..., D gr.t. (trumpet voluntary)" . "88745" . "18743" . . . "TRAVERS, JOHN |f [componist]" . . "88745" . . "Voluntaries, toetsinstrument. 1769. Nr. ..., D gr.t. (trumpet voluntary)" . "18743 88745 TRAVERS, JOHN |f [componist] Voluntaries, toetsinstrument. 1769. Nr. ..., D gr.t. (trumpet voluntary)" .