Keywords
- Massachusetts--Boston28
- Maurice, Saint, -approximately 2871
- Mensural notation7
- Michael (Archangel)1
- Michaelmas1
- Michigan--Kalamazoo1
- Missing leaves2
- Missouri--Saint Louis14
- Music8
- Music--Manuscripts18
- Musical notation9
- Netherlands3
- Neumes9
- New Jersey--Princeton3
- Officium pro defunctis (Catholic Church)2
- Oregon--Eugene2
- Painted leather bindings2
- Parchment (Paper)1
- Poland1
- Polish (culture)1