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Credoanonymous SourcesIvrea: Biblioteca Capitolare 115, fol. 64v (1/1);Madrid: Biblioteca Nacional 1361, fol. 178-178v (1/1). FacsimilesANGLÉS, H. and J. SUBIRA. Catálogo musical de la Biblioteca Nacional de Madrid, vol. I, Barceloona, 1946, plate XVI.Editions1. Fourteenth-Century Mass Music in France, edited by Hanna Stäblein-Harder, [Rome]: American Institute of Musicology, 1962. Corpus Mensurabilis Musicae 29, p. 143 (IV115, Mn1361).2. French Sacred Music, edited by Giulio Cattin and Francesco Facchin, Monaco: Editions de l'Oiseau Lyre, 1992: Polyphonic Music of the Fourteenth Century Vol XXIIIB, A2.    | 
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