Former Owner
- Laurence Claiborne Witten II1
- Laurentius van der Torqel1
- Leicester Harmsworth1
- Leonardo Lapiccirella1
- Librairie Damascène Morgand1
- Libri, Edoardo, active 20th century1
- Little family1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Long Island Historical Society, Maine1
- Louis Thompson Rowe1
- Louis XIV of France1
- Lucien Magne1
- Ludwig Rosenthal's Antiquariaat1
- Marc-René de Voyer d'Argenson1
- Marcela Gabriela1
- Margaret F. Woodward1
- Margaret Le Seigneur1
- Marguerite de Fontenay1
- Marguerite of Lorraine1
- Marie Ange-Toussaint Placide de Ferron1