1. Boston Public Library, MS pb Med.154 Title: Single leaf from a 14th-century gradual : in Latin]. Author: Catholic Church Place: Italy Date: ca. 1350
2. Boston Public Library, MS pb Med.155 Title: Single leaf from a 14th-century gradual : in Latin]. Author: Catholic Church Place: Italy Date: between ca. 1350 and 1399
3. Boston Public Library, MS pb Med.176 Title: Cutting from a 15th-century gradual : in Latin]. Author: Catholic Church Place: Italy Date: ca. 1450
4. Boston Public Library, MS pb Med.180 Title: Single leaf from a 15th-century gradual : in Latin]. Author: Catholic Church Place: Italy Date: between 1450 and 1499
5. Boston Public Library, MS pb Med.190 Title: Single leaf from a 15th-century gradual : in Latin]. Author: Catholic Church Place: Italy Date: between 1400 and 1450
6. Boston Public Library, MS pb Med.223 Title: Single leaf from a 15th-century gradual : in Latin]. Author: Catholic Church Place: Italy Date: between 1450 and 1499
7. Boston Public Library, MS pb Med.264 Title: Bifolium from a ca. 15th-century gradual : in Latin]. Author: Catholic Church Place: Italy Date: between 1400 and 1499?