. . "101809 178270 25320 55792 BACH, WILHELM FRIEDEMANN |f [componist] Fuga's, orgel, BR-WFB A:091, F gr.t." . "BACH, WILHELM FRIEDEMANN |f [componist]" . . "Fuga's, orgel, BR-WFB A:091, F gr.t." . . "101809" . . "178270" . "25320" . "Fuga's, orgel, BR-WFB A:091, F gr.t." . "55792" . "25320" . .