Signorello L. «Questa sie la resone de li libri che se fano del choro di Sancta Maria del Popolo»: Prolegomena to the study of the choir books of Santa Maria del Popolo, gleanings from the documentary sources and a look at two (unpublished) illuminated graduals by the Master of the Barbo Missal. BI [Internet]. 2023Jan.1 [cited 2024May10];12(2):257-305. Available from: https://bibliothecae.unibo.it/article/view/18713