6 Masses, 1 Requiem Mass, 5 Kyries, 45 Mass Proper sections (= 15 Introit-Alleluia-Communion cycles, ordered according to liturgical calendar), 11 motets, 8 responses or sets of responses = 76
Clemens non Papa-2, Cleve-52, Gombert-1, L'Archier-1, Lassus-3, Maillard/(Tye)-1, Morales-2, Vaet-1, Ville Font-1, anon-12
iii + 345 paper folios, ca. 580 x 410. Original ink foliation, 1-345. Original covers. Original index on front flyleaf lists pieces in order of appearance, with foliation, number of voices, and attributions. Copied by a single scribe, except for "Asperges me" added slightly later by a different hand on folios left blank at beginning. Staff height 26. Inked calligraphic initials, some decorated with grotesques. Pasted inside front and back covers are coats of arms (printed from woodblocks) of Cistercian monastery at Rein; of monastery's abbot, Bartholomaeus von Grudenegg; and of several affiliated convents.
Ca. 1575 (BoettL). Copied in Rein or vicinity, for use by Cistercian monastery there; apparently commissioned by Bartholomaeus von Grudenegg, monastery's abbot 1559-77.
Census-Catalogue of Manuscript Sources of Polyphonic Music 1400-1550