Former Owner
- John Roland Abbey1
- John Ruskin1
- John William Harshberger1
- Joseph Barrois1
- Judith Lady Montefiore College1
- Julius de Cardelinis1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Laurence William Hodson1
- Leicester Harmsworth1
- Leonhardus Cuntius1
- Lionel Tollemache, 4th Earl of Dysart1
- Llanthony Priory1
- Louis-Jean-Nicolas Monmerqué1
- Ludovico Settala1
- Luigi Celotti1
- Lyon Cathedral1
- M. Haimmiller1
- Malvezzi de' Medici1