Former Owner
- Louis Jean Gaignat1
- Louis Loewe1
- Louis N. Cassett1
- Louis Thompson Rowe1
- Louis XIV of France1
- Louis d'Harcourt1
- Louis-Jean-Nicolas Monmerqué1
- Lucien Delamarre1
- Lucien Magne1
- Ludwig Rosenthal1
- Luigi Serra di Cassano1
- Luis Ordoñez1
- Luther Albertus Brewer1
- Lutheran Theological Seminary at Philadelphia1
- Lycée Louis-le-Grand1
- Lyon Cathedral1
- Léon Gruel1
- M. De La Tour1
- M. Haimmiller1
- M. Louise Stowell1