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 Johannes de Bosco

Apt, Cathédrale Sainte-Anne, Bibliothèque du Chapitre, 16bis
Barcelona, Biblioteca de Catalunya, BM 853b
Barcelona, Biblioteca de Catalunya 971 (olim 946)
Barcelona, Biblioteca de Catalunya 971 and Gerona, Archivo Capitular, frag. 33/1
Bologna, Biblioteca Universitaria 2216
Bologna, Civico Museo Bibliografico Musicale, Ms Q 15.
Munich, Bayerische Staatsbibliothek, Handschriften-Inkunabelabteilung, MS Latinus monacensis 14274 ( - not catalogued here.
Munich, Bayerische Staatsbibliothek 29775 - not catalogued here.
Munich, Bayrische Staatsbibliothek, Clm 29775
Munich, Bayerische Staatsbibliothek, Clm 14274 (olim M.mus. 3232a)
Strasbourg, Bibliothèque Municipale (olim Bibliothèque de la Ville) 222 C. 22