Olivier, Louis-Camille d'   French (1827-after 1870) TITLE ON OBJECT: Etude d'apres nature 1853-1855 salted paper print 21.0 x 15.7 cm. Museum Collection, by exchange GEH NEG: 36126 85:1009:0002
Outerbridge, Paul   American (1896-1958) TITLE ON OBJECT: Piano 1924 platinum print 11.5 x 8.9 cm. Gift of Paul Outerbridge GEH NEG: 13401 70:0375:0001
Peress, Gilles   French (1946-) TITLE ON OBJECT: Pro-Shariatmadari Demonstration, Tabriz ca. 1979-1980 / print 1985 gelatin silver print 23.9 x 36.0 cm. Museum Purchase: Ford Motor Co. Fund GEH NEG: 36492 85:0760:0001
Pfahl, John   American (1939-) TITLE ON OBJECT: Shed with Blue Dotted Lines, Penland, North Carolina June 1975 color print, chromogenic development (Ektacolor) process 19.1 x 24.1 cm. Museum Purchase 77:0119:0001
Pfahl, John   American (1939-) TITLE ON OBJECT: Bethlehem # 16, Lackawanna, N.Y. 1988 / print 1990 color print, chromogenic development (Ektacolor) process 70.9 x 71.1 cm. Museum Purchase; Charina Foundation Fund and Matching Funds 90:0066:0001
Pfahl, John   American (1939-) TITLE ON OBJECT: Kaanapali Coast, Maui, Hawaii March 1978 / print 1987 color print, chromogenic development (Ektacolor) process 50.6 x 60.8 cm. Gift of the photographer 95:1562:0001
Pollock, Henry   English (1826-1889) TITLE ON OBJECT: After Luncheon ca. 1856 salted paper print from collodion negative 13.6 x 20.0 cm. Museum Purchase GEH NEG: 15693 68:0088:0038
Ponti, Carlo (attributed)   Italian (b. Switzerland, ca. 1823-1893) TITLE ON OBJECT: Detail of the Ducal Palace, Venice ca. 1862 albumen print 32.4 x 26.5 cm. Museum Purchase GEH NEG: 36470 76:0020:0078
Ponti, Carlo (attributed)   Italian (b. Switzerland, ca. 1823-1893) DESCRIPTIVE TITLE: Bridge of Sighs, on Canal of Canonica 1864 albumen print 34.6 x 27.0 cm. Gift of Eastman Kodak Company: ex-collection Gabriel Cromer 81:0944:0017
Ponti, Carlo (attributed)   Italian (b. Switzerland, ca. 1823-1893) TITLE ON OBJECT: Veduta del Molo e Palazzo Ducale con la Gondola. ca. 1870 albumen print 25.8 x 32.4 cm. Museum Purchase, ex-collection Wadsworth Library GEH NEG: 22293 82:2007:0004
Porter, William Southgate   American (1822-1889) TITLE ON OBJECT: Fairmount waterworks 1848 daguerreotype 36.7 x 99.8 cm., (8 whole plates assembled in original mount) Gift of 3M Company: ex-collection Louis Walton Sipley GEH NEG: 25126 77:0503:0001
Pujol, Luis Soler   Spanish (active ca. 1920s) DESCRIPTIVE TITLE: Anatomical models ca. 1920s gelatin silver print 14.0 x 9.9 cm. Museum Purchase 76:0089:0006
Pujol, Luis Soler   Spanish (active ca. 1920s) DESCRIPTIVE TITLE: Anatomical models ca. 1920s gelatin silver print 10.0 x 14.9 cm. Museum Purchase GEH NEG: 38419 76:0089:0009
Puyo, Emile Joachim Constant   French (1857-1933) TITLE ON OBJECT: Tete de Gorgone ca. 1898 brown gum bichromate print 20.3 x 15.2 cm. Museum Purchase GEH NEG: 34979 83:2344:0001
Rau, William H.   American (1855-1920) TITLE ON OBJECT: Manayunk Bridge [Pennsylvania Railroad] ca. 1895 / print 1978, by Jeffrey A. Wolin, IMP/GEH modern gelatin silver print from original glass plate negative 42.3 x 53.8 cm. (irreg.) IMP/GEH Darkroom 78:1267:0002MP