Former Owner
- Otto Orren Fisher3
- Otto Schäfer1
- Otto Vollbehr3
- Otto Walter Fuhrmann1
- Over, Watson1
- Owen D. Young1
- P. Desq2
- P. J. De Mat1
- P. Pigeot1
- PBA Galleries1
- Padmākarabhaṭṭa1
- Paland, Irmengarde von1
- Pandit Gobindpurshad1
- Pangracius Chrewczer1
- Paolino Gianfilippi1
- Paolo Gallo1
- Paolo Giovio4
- Paolo Guerrini1
- Paolo Vimercati Sozzi3
- Parish Church of St. John the Baptist1