P-G (Guimarães) Arquivo Municipal Alfredo Pimenta C 1204
Bifolium with Mass chants and readings. Three gregorian chants for the Dom. 9 p. Pent. and the Gospels for the Wednesday and Friday in the following liturgical week.
From the same Missal as fragment C 1370 in the same archive.
Harmonies of Heaven and Earth: The music in the manuscripts of Guimarães (12th – 17th centuries), Guimarães, Museu de Alberto Sampaio, 2012. ISBN 978-989-97732-1-9