> Fig. 6. Domingo Marcos Durán, Lux bella seu Artis cantus plani compendium, Sevilla, Pablo de Colonia, Juan Pegnitzer, Magno Herbst, Tomas Glockner, 1492 (Madrid, BNE, Inc. 2165(3), fol. 1v). Durán’s Lux bella mentions many of the theorists listed in the last folio of gradual L.C. 238 (Lisbon, BnP, L.C. 238)
Fig. 6. Domingo Marcos Durán, Lux bella seu Artis cantus plani compendium, Sevilla, Pablo de Colonia, Juan Pegnitzer, Magno Herbst, Tomas Glockner, 1492 (Madrid, BNE, Inc. 2165(3), fol. 1v). Durán’s Lux bella mentions many of the theorists listed in the last folio of gradual L.C. 238 (Lisbon, BnP, L.C. 238)