Former Owner
- Kartause Erfurt1
- Khouri, Elias Alexander1
- King Lawrence Parker1
- Lorenzo Antonio da Ponte1
- Louis Charles Karpinski1
- Louis César de La Baume Le Blanc1
- Louis H. Silver1
- Louis Herbert Gray1
- Lydia Thompson Morris1
- M. Louise Stowell1
- Mahdī ibn Muṣṭafá al-Ḥusaynī1
- Manookjee Sorabjee Ashburner1
- Manuel Fernández del Castillo1
- Marsden J. Perry1
- Matthaeus Lupin1
- Maḥmūd ibn al-Shaykh al-Fattāḥ1
- Melchior Daniel Neubronner1
- Mitchell Starrett Buck1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1