Former Owner
- Klaus Dieter Dahmen1
- Konrad von Maurer1
- Kulturhistorisches Museum Magdeburg1
- Lajos Graf Apponyi de Nagy-Appony1
- Latham family1
- Leonardo Bruni1
- Leonello d'Este, Marquis of Ferrara1
- Liechtenstein State Library1
- Little family1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Louis César de La Baume Le Blanc1
- Louis Jean Gaignat1
- Louis XII of France1
- Lucien Graux1
- Mademoiselle de Malberghe1
- Maffeo Pinelli1
- Mannucci family1
- Mathias Schurer1
- Matthew Simpson Parkhurst1
- Matthias Corvinus1