Former Owner
- John Read Dore1
- John Ruskin1
- John Walker1
- John West, 1st Earl De La Warr1
- John Wright2
- Joseph Barrois2
- Joseph Mayner1
- Kloster Kuringen1
- Lambertus Eerens1
- Laurent Campagne1
- LeMare1
- Legoué1
- Leonardus Martinotius1
- Lepeletier de Rosanbo1
- Librairie Tross1
- Library of the Dominicans of Paris1
- Lodovicus Saltariellus1
- Louis César de La Baume Le Blanc1
- Louis XII of France1
- Ludwig Rosenthal1