Former Owner
- King Lawrence Parker1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Laurence William Hodson1
- Lawrence J. Schoenberg56
- Leicester Harmsworth2
- Leo Olschki3
- Leopold Gruber1
- Lionardo di Paolo Adimari1
- Lionel Tollemache, 4th Earl of Dysart1
- London School of Jewish Studies3
- Louis César de La Baume Le Blanc1
- Louis Herbert Gray1
- Louis-Jean-Nicolas Monmerqué1
- Lucien Gougy1
- Ludovico Settala1
- Luigi Celotti1
- Lyon Cathedral1
- M. Haimmiller1