Former Owner
- John Ruskin1
- John West, 1st Earl De La Warr1
- John Wright1
- Juan de Londono1
- Kloster Kuringen1
- Laurent Campagne1
- Legoué1
- Louis César de La Baume Le Blanc1
- Luis Ordoñez1
- Luther Albertus Brewer1
- M. Louise Stowell1
- Marcantonio Contarini1
- Margaret Le Seigneur1
- Maria Riddell1
- Menno Hertzberger1
- Mitchell Starrett Buck1
- Muḥammad Jaʻfar1
- Muḥammad Shams al-Dīn Naqshband Nūrī1
- Muḥammad Ḥusayn ibn Jaʻfar Qulī1
- Muṣ̣ṭafá Ibn ʻAlī Muʼmin Juwaynī1