Chaves, Z. 2026. Andrew Irving, and Harald Buchinger (eds.), On the Typology of Liturgical Books from the Western Middle Ages / Zur Typologie liturgischer Bücher des westlichen Mittelalters (Münster, Aschendorff Verlag, 2023), vol. 115, XI + 658 pp., ISBN: 978-3. Revista Portuguesa de Musicologia. 11, 2 (out. 2026), 273–280. DOI:https://doi.org/10.57885/rpmns.560.