Former Owner
- Librairie Damascène Morgand2
- Libreria la Bibliofila2
- Lionel Tollemache, 4th Earl of Dysart2
- London School of Jewish Studies2
- Louis XII of France2
- Lucien Gougy2
- Lucy Evans Chew2
- Ludwig Rosenthal2
- Ludwig Rosenthal's Antiquariaat2
- Luigi Arrigoni2
- Luigi Cora2
- Marchese Linterno2
- Margaret Barclay Wilson2
- Mark Lansburgh2
- Marvin-L. Colker2
- Mary Lacaita2
- Melk Abbey2
- Messieurs Du Trieu2
- Michael Tomkinson2
- Michele Cavaleri2