Former Owner
- Lancino Curti1
- Lathrop C. Harper, Inc.1
- Laura Hurd Motion1
- Leonardus Martinotius1
- Leonhardus Cuntius1
- Ludwig Rosenthal's Antiquariaat1
- Luigi Celotti1
- Luis Escobet1
- Maggs Bros Ltd1
- Marie Cleophe de Sollario1
- Marie de Albano1
- Matteo Luigi Canonici1
- Moritz Joseph Johann von Dietrichstein1
- Nicolas Antoine Labbey de Billy1
- Otto Jahn1
- Paul Gottschalk1
- Paul Riant1
- Paul Sabatier1
- Petrus Leonardus1
- Petrus Martinotius1