MSS / layout
Empaytaz de Croome, Dionisia
Albor: Medieval and Renaissance Dawn-Songs in the Iberian Peninsula
London: University of London King's College, University of Microfilms Internacional, Dept. of Spanish American Studies, 1980. 90 pp.
Snow 2007: "‘Virgen madre gloriosa’ (CSM ), with its evident Provençal influence (based on the analysis of Anglés (1964, II: 216-17), was probably authored by Alfonso (p. 50). This is an educated guess that seems solid."