Possibly Adrien Tournachon-Nadar
Charles Debureau in Pierrot

W. S. Porter
Photographic Invoice

Roger Populaire
Spilt Milk

Carlo Ponti (attributed to studio)
Ducale Palace, Venice

Carlo Ponti
Palazzo Carrer Spinelli

Carlo Ponti
Church of the Frari, Monument of Doge Giovanni Pesaro, Venice

Carlo Ponti
Bronze Gates of the Loggetta, Venice

Irving Pobboravsky
Symmetric Mask

Milan Pitlach
Female Nude Sleeping

Michel Pinel
Bain de Soleil (Bath of Light)

Arnost Pikart
Boy Looks at an Espalier Pruned Trellis of Vines

Joseph D. Pietro
Sen. and Mrs. John F. Kennedy, Hyannis Port, Massachusetts

Pierre-Louis Pierson
Young Couple (Circle of Duc d'Aumale)

Pierre-Louis Pierson
Portrait of an old Woman (Circle of Duc d'Aumale, possibly His Wife or Her Mother)

Pierre-Louis Pierson
Portrait of a Young Girl (Circle of Duc d'Aumale)

Pierre-Louis Pierson
Portrait of a Woman in Riding Outfit (Circle of Duc d'Aumale)