Archive website: Santa Maria Maggiore, Archivio e Biblioteca del Capitolo Liberiano
Source name | Date | Type | Surface | |
---|---|---|---|---|
I-Rsm 26 | c. 1566-7, with several additions in late 16th century. | chant book with added polyphony | Paper | |
I-Rsm Sala dei Papi, Graduale [without call number] | first quarter of 14th century with additions during the ensuing century | chant book with added polyphony | - |