He was specially devoted to the Virgin Mary, and wrote an Officium Beatae Virginis, in addition to many letters, sermons, and other writings.
All that is certainly known about the antiquity of the sieu is that they were well established in the 3rd century B.C. Their initial point at the autumnal equinox marked by Kio (Spica Virginis) suits a still later date; and there is no valid evidence that the modern series resulted from the rectification of an older superannuated arrangement, analogous to the Krittika sequence of nakshatras.
The cathedral (Beatae Mariae Virginis) is one of the finest churches in Germany.
To the several faculties also belong various collegiate buildings, notably, to the legal, that of the Collegium beatae Virginis in the Petersstrasse, and -to the philosophical the Rothe Haus on the promenade facing the theatre.
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