Former Owner
- Leo Olschki1
- Leonhardus Cuntius1
- Leopold Gruber1
- Louis César de La Baume Le Blanc1
- Luigi Celotti1
- Luigi Serra di Cassano1
- Luis Escobet1
- Manuel John Johnson1
- Marcianus F. Rossi1
- Matteo Luigi Canonici1
- Maurilio Morazio1
- Michiel family1
- Moritz Joseph Johann von Dietrichstein1
- Morris Jastrow, Jr.1
- Nettie Goldsmith Naumburg1
- Oliver Henry Perkins1
- Omaha Public Library1
- Otto Jahn1
- Paul III1
- Philip Augustus Hanrott1