La Trobe University - Library: Medieval Music Database - Annual cycle of feasts of liturgical chant, liturgical polyphony and secular music of the late middle ages.

Medieval Music Database - Browse By Manuscript

Manuscripts containing works by Martinus Fabri

Innsbruck, Universitätsbibliothek, MS. s.s. (Wolkenstein-Rodeneck Codex) - not catalogued here.
Leiden, Universiteitsbibliotheek B.P.L. 2720
Vienna, Österreichische Nationalbibliothek 2777 - not catalogued here.