Former Owner
- Nathan Brown2
- Nicholas Bacon2
- Oliver R. Barrett2
- Oswald Carl Friedrich von Seilern und Aspang2
- Otto Orren Fisher2
- Parke-Bernet2
- Paul Gottschalk2
- Peter Arrell Brown Widener2
- Peter Arrell Brown Widener II2
- Peter Eaton2
- Philip Hofer2
- Phoebe Hearst2
- Pierre Gélis-Didot2
- Prieuré Saint-Louis de Poissy2
- Quinton Edward Gurney2
- R. Stora and Company2
- Rabbinical Seminary Vienna2
- Raymond Berriot2
- Richard Gough2
- Robert Forrer2