21. Columbia University Rare Book & Manuscript Library, MS X893.3 G33 DS ID: DS20024 Title: Speeches Place: Hague, The and Netherlands Date: July 21, 1842.
22. University of Pennsylvania, Ms. Codex 738 DS ID: DS1640 Title: Book of hours Author: Catholic Church Place: Netherlands Date: 14--
23. University of Pennsylvania, Ms. Codex 739 DS ID: DS1641 Title: Psalter Place: Netherlands Date: 14--
24. University of Pennsylvania, Ms. Codex 991 DS ID: DS1752 Title: Privileges Place: Netherlands Date: circa 1546
25. University of Pennsylvania, Ms. Coll. 591 Folder 12 DS ID: DS1765 Title: Breviary Author: Catholic Church Date: 1400s.