Former Owner
- John Bohn1
- John Church1
- John Fletcher Hurst1
- John Jarsey1
- John Lee1
- Joseph Barrois1
- Julius de Cardelinis1
- Leicester Harmsworth1
- Leonardus Martinotius1
- Lionel Tollemache, 4th Earl of Dysart1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Luigi Celotti1
- L’Art Ancien1
- M. Haimmiller1
- Margaret Barclay Wilson1
- Matteo Luigi Canonici1
- Matthew Donadski1
- Maximilian Henry of Bavaria1
- Melk Abbey1
- Michel Chasles1