1. University of Oregon, MS 058 Title: Gradual Author: Catholic Church Place: France Date: between 1401 and 1500?
2. Harry Ransom Center, MS 3327, Container 13 Title: Gradual Place: Italy Date: between 14th and 16th centuries
4. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 31546 Title: Gradual Author: Catholic Church Place: Italy Date: between 1590 and 1610
5. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 31052 Title: Gradual Author: Catholic Church Place: Bohemia Date: between 1390 and 1410
6. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 31543 Title: Gradual Author: Catholic Church Place: Northern Italy Date: 15th century