Former Owner
- K. B. Starkie1
- Karl Anton, Prince of Hohenzollern1
- Karl Leopold Strauven1
- Keifer1
- Kloster Kuringen1
- Konrad von Maurer1
- Kulturhistorisches Museum Magdeburg1
- L. C. Harper1
- Lady Margaret Ayloffe1
- Lajos Graf Apponyi de Nagy-Appony1
- Lambertus Eerens1
- Lane Theological Seminary1
- Latham family1
- Laurence Hilliard1
- Laurence Kirby1
- Laurence Vaux1
- Laurent Campagne1
- Laurentius van der Torqel1
- Law Society1
- LeMare1