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Wagstaff, Grayson, “Pedro de Escobar, Polyphonic Liturgical Genres, and Local Traditions in Early Sixteenth-Century Seville”, in The Anatomy of Iberian Polyphony around 1500, ed. by Esperanza Rodríguez-García and João Pedro d’Alvarenga, Iberian Early Music Studies, 5 (Kassel: Reichenberger, 2021) pp. 27-48

Wagstaff, Grayson, “Re-examining Pedro Fernández de Castilleja Again: Was he a more important contemporary of Peñalosa than we assumed?”, Portuguese Journal of Musicology, new series, 6/1 (2019), 63-90 <http://rpm-ns.pt/index.php/rpm/article/view/366>

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