Wegman: Source: MunBS 3154, fols. 281v-287r (c.1509-10). Edition: Thomas L. Noblitt, ed., Der Kodex des Magister Nicolaus Leopold: Staatsbibliothek München Mus. ms. 3154, 4 vols., Das Erbe deutscher Musik, 80-83 (Kassel and New York: Bärenreiter, 1987- ), 1: xxxix (Plate 27), and 3: 149-69. * The Sanctus is fragmentary; the surviving voices have been mixed to the left channel only. No Agnus dei. Model missing in Wegman (does not appear to be based on monophonic chanson "Une mousse de Biscaye" (see http://elvis.music.mcgill.ca/node/3927)). Dates are the approximate dates of the the Chorbuch des Nikolaus Leopold as given by Grove. Sanctus is fragmentary.