Former Owner
- Joseph Jekyll1
- Judith Lady Montefiore College1
- Jules Bonhomme1
- Julie Florence de Cossette1
- Katholieke Universiteit te Leuven Universiteitsbibliotheek1
- Klaus Dieter Dahmen1
- Konrad von Maurer1
- Kulturhistorisches Museum Magdeburg1
- Lady Margaret Ayloffe1
- Lambach Abbey1
- Lambertus Eerens1
- Laura Hurd Motion1
- Laurence Kirby1
- Law Society1
- Leonardus Martinotius1
- Librairie Tross1
- Lionel Tollemache, 4th Earl of Dysart1
- Lodovicus Saltariellus1
- London School of Jewish Studies1
- Long Island Historical Society, Maine1