"Ave Rex, koor (4 st.), orgel, op. 045 (1969). Sir Christèmas" . "147335 152144 194735 422003 Ave Rex, koor (4 st.), orgel, op. 045 (1969). Sir Christèmas MATHIAS, WILLIAM |f [componist]" . . "Ave Rex, koor (4 st.), orgel, op. 045 (1969). Sir Christèmas" . "152144" . . . "MATHIAS, WILLIAM |f [componist]" . . "422003" . "422003" . . "147335" . . "194735" .