1. Newberry Library & Western Michigan University, VAULT folio Case MS 155 & Newberry / WMU MS 1 DS ID: DS6371 Title: Processional Author: Catholic Church Date: approximately 1250
2. Columbia University Rare Book & Manuscript Library, MS Or 306 DS ID: DS6587 Title: Kitāb al-mutawassiṭāt Date: 1265-1371?
3. Rochester Institute of Technology, PORTFOLIO BOX 1-8 DS ID: DS16487 Title: Gradual Place: England Date: ca. 1275