. . . . . . . . . . "minster" . . . . "Bonn Minster" . "Bonn cathedral" . . . . "Ss. Cassius and Florentius" . "Minster Basilica of St Martin" . . . . "Cassius, and Florentius" . . "Cassius and Florentius" . "Bonn Minster" . . "the Cathedral" . . . . .