"38867" . "DERX, GEORG WILHELM |f [componist]" . "Allegro spiritoso, orgel, A gr.t." . "Allegro spiritoso, orgel, A gr.t." . . "65188" . "38867 65188 Allegro spiritoso, orgel, A gr.t. DERX, GEORG WILHELM |f [componist]" . . . . "38867" .