Nicolo Giustiniani-Cavalli
North Carolina Museum of Art
Norton Simon Foundation
Nuns of San Pascual
Octavius E. Coope
Odescalchi
Odescalchi heirs
Odet de Foix, Vicomte de Lautrec
Odoardo Farnese
Oldescalchi heirs
Olimpia Aldobrandini Borghese Pamhilij
Olimpia Aldobrandini Borghese Pamphili
