Former Owner
- Maggs Bros Ltd2
- Marie-François Duchesne de Beaumanoir1
- Martin Breslauer1
- Matteo Luigi Canonici1
- Medingen Abbey1
- Messieurs Du Trieu2
- Morris H. Morgan1
- Māḫdara Māryām Church1
- Norman Winestine1
- Oliver Henry Perkins2
- Paul Gottschalk1
- Percy Mordaunt Barnard1
- Petrus Jensenius1
- Petrus Leonardus1
- Petrus Martinotius1
- Petrus Ysermans1
- Phyllis Walter Goodhart Gordan1
- Pierre Pithou1
- Raphael de Mediolano1
- René Henry1