Former Owner
- John Boykett Jarman1
- John Eliot Hodgkin1
- John Estmond1
- John Ives1
- John Walker1
- John West, 1st Earl De La Warr1
- Katholieke Universiteit te Leuven Universiteitsbibliotheek1
- Lambertus Eerens1
- Laurent Campagne1
- LeMare1
- Legoué1
- Leonardus Martinotius1
- Lepeletier de Rosanbo1
- Library of the Dominicans of Paris1
- Louis Bourguet1
- Louis César de La Baume Le Blanc1
- Luigi Cora1
- Lutheran Theological Seminary at Philadelphia1
- Lydia Thompson Morris1
- Marie-François Duchesne de Beaumanoir1