Former Owner
- John Sidney Hawkins1
- Juan Burgueño1
- Julian Burgueño1
- Kenneth Hyde1
- Laurence Claiborne Witten II1
- Laurence Kirby1
- Law Society1
- Leicester Harmsworth1
- Leonard Grey, 1st Viscount Grane1
- Lodovicus Saltariellus1
- Louis Thompson Rowe1
- Lucrezio Palladio degli Olivi1
- Ludwig Rosenthal's Antiquariaat1
- Luigi Clerici1
- Maggs Bros Ltd1
- Marcantonio Contarini1
- Mario Maffei1
- Mark Lansburgh1
- Martin Breslauer1
- Marvin-L. Colker1