Pacific Library Gradual Collection Metadata Dublin Core Title Pacific Library Gradual Collection: Pacific Library Gradual Sort by: Title Creator Date Added / 2 pages Illuminated A c. 1520 Page of Liber Usualis Gradual cover c. 1520 Gradual Front Cover c. 1520 Carolingian Miniscule Music Closeup c. 1520 M Close Up c. 1520 M Holes Front c. 1520 M holes back c. 1520 Marginalia c. 1520