1. no. 8, Graduale : fragment and Gradual, England, Early XIIIth Century Collection: Otto F. Ege Manuscript Collection Institution: University of South Carolina
2. no. 7, Aurora : fragment and Aurora, England, Early XIIIth Century Creator: Peter Riga, -- ca. 1140 - 1209 Collection: Otto F. Ege Manuscript Collection Institution: University of South Carolina