1. Boston Public Library, MS f Med.27 Title: Rerum vulgarium fragmenta, etc. : in Italian with some Latin]. Author: Petrarch Place: Italy Date: between 1400 and 1499].
2. Boston Public Library, MS q Med.130 Title: Rerum vulgarium fragmenta, etc. : in Italian]. Author: Petrarch Place: Florence Date: between 1450 and 1475