Clarence H. White, 1899 (taken) 1903 (halftone), Ring Toss, [Camera Work, no. 03, pl. 05], Halftone, Philadelphia Museum of Art, LL/72527

Robert Demachy, 1905 (taken) 1906 (photogravure), A Model, [Camera Work, no. 16, pl. 02], Photogravure, Philadelphia Museum of Art, LL/71466

Robert Demachy, 1904, Behind the Scenes, [Camera Work, no. 07, pl. 07], Halftone, Philadelphia Museum of Art, LL/71467

Burk Uzzle, 1983, Virginia Beach, Virginia, Gelatin silver print, Philadelphia Museum of Art, LL/72466

Circle of Thomas Eakins, 1883 (ca), John Laurie Wallace, [Naked Series], Albumen silver prints, Philadelphia Museum of Art, LL/71039

Heinrich Kühn, 1901, Sicilian Bark, [Camera Notes], Halftone, Philadelphia Museum of Art, LL/71940

Robert Frank, 1955 (taken) 1960s (print), Bar-Gallup, New Mexico, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71742

Robert Demachy, 1906 (photogravure), Behind the Scenes, [Camera Work, no. 16, pl. 05], Photogravure, Philadelphia Museum of Art, LL/71468

Frederick H. Evans, 1908 (ca), Foxgloves, Platinum print, Philadelphia Museum of Art, LL/71617

J. Craig Annan, 1894 (taken) 1904 (photogravure), The Riva Schiavoni, Venice, [Camera Work, no. 08, pl. 05], Photogravure, Philadelphia Museum of Art, LL/71335

William H. Bell, 1872, Army Medical Museum: Gunshot Wound of the Knee-Joint, [Surgical Photograph, No. 330], Albumen silver print, Philadelphia Museum of Art, LL/71260

Edward Steichen, 1906, Experiment in Three-Color Photography, [Camera Work, no. 15, pl. 07], Three color relief halftone, Philadelphia Museum of Art, LL/72184

Alfred Stieglitz, 1900-1901 (taken) 1903 (print), The Street - Design for a Poster, [Camera Work, no. 03, pl. 13], Photogravure, Philadelphia Museum of Art, LL/72328

Harry C. Rubincam, 1905 (ca), Mother (Woman Standing at Window), Carbon print, Philadelphia Museum of Art, LL/72139

Clarence H. White, 1908 (photogravure), Portrait - Master Tom, [Camera Work, no. 23, pl. 07], Photogravure, Philadelphia Museum of Art, LL/72523

Man Ray, 1931, Cuisine, [Électricité], Photogravure, Philadelphia Museum of Art, LL/72069

William J. Stillman, 1869 (taken) 1870 (autotype), General View of the Summit of the Acropolis, from the Extreme Eastern Point, Showing the Erectheum at the Right, and in the Distance, at the Left, the Egean, [The Acropolis of Athens, Illustrated Picturesquely and Architecturally in Photography, pl. 18], Carbon print (autotype), Philadelphia Museum of Art, LL/72351

Heinrich Kühn, 1911 (halftone), Lotte and Her Nurse, [Camera Work, no. 33, pl. 14], Halftone, Philadelphia Museum of Art, LL/71931

Stephen Guion Williams (American, born 1942), 1980 (ca, taken) 1982 (print), Stop Boy, [In the Middle, Qitinganituk: the Eskimo Today], Gelatin silver print, toned, Philadelphia Museum of Art, LL/72541

Alvin Langdon Coburn, 1904 (duotone), The Dragon, [Camera Work, no. 06, pl. 03], Halftone, coloured, Philadelphia Museum of Art, LL/71441

Edward Steichen, 1911 (photogravure), M. Auguste Rodin, [Camera Work, no. 34/35, pl. 01], Photogravure, Philadelphia Museum of Art, LL/72203

Edward L. Wilson, 1876, Centennial Garden, Albumen silver print, Philadelphia Museum of Art, LL/71207

Charles Hippolyte Aubry, 1864, Group of Leaves on a Tulle Background, Albumen silver print, Philadelphia Museum of Art, LL/71274

Berenice Abbott, 1927, Julien Levy, Gelatin silver print, Philadelphia Museum of Art, LL/60009

Ilse Bing, 1930-1931 (ca), Untitled (Figures in Street), Gelatin silver print, Philadelphia Museum of Art, LL/71367

Eugène Atget, 1899-1900 (taken) 1956 (print), Street Paver, [20 Photographs by Eugène Atget 1857-1927], Gelatin silver print, Philadelphia Museum of Art, LL/71111

Alfred Stieglitz, 1898, Page from Camera Notes with reproduction of "The Letter Box", [Camera Notes], Halftone reproduction, Philadelphia Museum of Art, LL/72334

Thomas Eakins, 1883-1884, Naked Series: Masked Female Nude, Albumen silver prints, Philadelphia Museum of Art, LL/71032

Edward Steichen, 1907 (taken) 1913 (photogravure), Henry W. Taft, [Camera Work, no. 42/43, pl. 08], Photogravure, Philadelphia Museum of Art, LL/72190

Luke Swank, 1930-1933 (ca), Untitled (Laundry on Clothesline), Gelatin silver print, Philadelphia Museum of Art, LL/72431

Meske, Gilman & Rawson Studio (Sharon Springs, New York), 1871-1872, Portrait of Alfred Stieglitz, Gelatin silver print, Philadelphia Museum of Art, LL/71991

Walter Hege, 1928-1930, Acropolis (Parthenon, West Frieze: Rearing Horse), Gelatin silver print, Philadelphia Museum of Art, LL/71825

Eugène Atget, 1904-1905, Palais Royal, Albumen silver print, Philadelphia Museum of Art, LL/71136

Robert Demachy, 1902 (photogravure), Cigarette Girl - A Poster Design, [Camera Notes], Photogravure, Philadelphia Museum of Art, LL/71469

Frederick H. Evans, 1902 (ca), York Minster: West End of Nave, Photogravure, Philadelphia Museum of Art, LL/71725

Eugène Atget, 1901, Hotel, 137 [132] rue Vieille du Temple, Albumen silver print, Philadelphia Museum of Art, LL/71158

Alfred Stieglitz, 1887 (taken, later print), Via Fiori, Bellagio, Gelatin silver print, Philadelphia Museum of Art, LL/72339

Henri Cartier-Bresson, 1933, Tivoli, Italy, Gelatin silver print, Philadelphia Museum of Art, LL/71412

Edward Steichen, 1905 (taken) 1906 (halftone), Cover Design, [Camera Work, no. 14, pl. 12], Three color relief halftone, Philadelphia Museum of Art, LL/72178

Man Ray, 1921-1924 (ca), Marcel Duchamp (1920 Silverpoint Drawing by Joseph Stella), Gelatin silver print, Philadelphia Museum of Art, LL/72088

Frank Eugene, 1900 (ca), Portrait of Alfred Stieglitz (Head and Shoulders, Facing Left), Gelatin silver print, Philadelphia Museum of Art, LL/71569

Gertrude Käsebier, 1899 (taken) 1903 (photogravure), The Manger, [Camera Work, no. 01, pl. 02], Photogravure, Philadelphia Museum of Art, LL/71897

Frederick H. Evans, 1906, Mont St. Michel: Cloisters, Platinum print, Philadelphia Museum of Art, LL/71643

Frank Eugene, 1900 (ca), Portrait of Alfred Stieglitz, Gelatin silver print, Philadelphia Museum of Art, LL/71567

László Moholy-Nagy, 1930, Filmstrip from Lichtspiel Schwarz-weiss-grau, Gelatin silver transparency, Philadelphia Museum of Art, LL/72005

John Edward Saché, 1865-1882 (ca), Untitled, [Views of Calcutta, Vol. II, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71082

Edward Steichen, 1904 (taken) 1906 (halftone), The Flatiron - Evening, [Camera Work, no. 14, pl. 08], Two color relief halftone, Philadelphia Museum of Art, LL/72232

Alfred Stieglitz, 1904 (taken) 1905 (photogravure), Horses, [Camera Work, no. 12, pl. 01], Photogravure, Philadelphia Museum of Art, LL/72278

Robert Demachy, 1904 (halftone), On the Lake, [Camera Work, no. 05, pl. 04], Halftone, Philadelphia Museum of Art, LL/71474

Hofmeister Brothers, 1901-1903 (taken) 1904 (halftone), The Churchgoers, [Camera Work, no. 07, pl. 04], Halftone, Philadelphia Museum of Art, LL/71840

Heinrich Kühn, 1911 (halftone), Sailing Boats, [Camera Work, no. 33, pl. 15], Halftone, Philadelphia Museum of Art, LL/71939

Bourne & Shepherd, 1864-1869, View of Kathmandu, Albumen silver print, Philadelphia Museum of Art, LL/71216

Louis-Jean Delton, 1867 (ca), Calèche à Madame la Princesse de Metternich, [Album Hippique], Albumen silver print, Philadelphia Museum of Art, LL/71015

Eugène Atget, 1900, Rue du Grenier sur l'Eau, Albumen silver print, Philadelphia Museum of Art, LL/71146

Eugène Atget, 1910-1911, Paris, Demeure de Fourcy, Albumen silver print, Philadelphia Museum of Art, LL/71138

Rudolf Eickemeyer, 1902 (photogravure), Winter Landscape, [Camera Notes], Photogravure, Philadelphia Museum of Art, LL/71493

Circle of Thomas Eakins, 1883-1885, Young Boy, Nude, Albumen silver print, Philadelphia Museum of Art, LL/71044

Frederick H. Evans, 1911, Westminster Abbey: Tomb of Edward III, Black Prince and Joan, Platinum print, Philadelphia Museum of Art, LL/71712

Joseph T. Keiley, 1902 (ca), Miss de C. (Mercedes de Cordoba, Leaning Left), Platinum print, Philadelphia Museum of Art, LL/71913

Alice Boughton, 1909 (photogravure), Nature, [Camera Work, no. 26, pl. 04], Photogravure, Philadelphia Museum of Art, LL/71372

John Edward Saché, 1865-1882 (ca), Baboo Ghât, [Views of Calcutta, Vol. I, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71087

August Sander, 1930s-1960s, Landscape, Gelatin silver print, Philadelphia Museum of Art, LL/72150

A. Harlingue (French, active early 20th century), 1910-1914 (ca), Versailles Congress: Wallpapering the Bedroom of the New President at the Palace of Versailles (Congrés de Versailles: on tapisse la chambre à coucher du nouveau Président au Palais de Versailles), Gelatin silver print, Philadelphia Museum of Art, LL/71797

Alvin Langdon Coburn, 1911, Snow in the Canyon, Platinum print, with gum bichromate, Philadelphia Museum of Art, LL/71440

Frank Eugene, 1908 (taken) 1910 (photogravure), Dr. Emanuel Lasker and His Brother, [Camera Work, no. 31, pl. 08], Photogravure, Philadelphia Museum of Art, LL/71551

Eva Watson-Schutze, 1905 (ca), Untitled (Head of Young Woman), Gum platinum print, Philadelphia Museum of Art, LL/72484

Marcel Duchamp (painter), 1912, Nude Descending a Staircase, No. 2, Oil on canvas, Philadelphia Museum of Art, LL/41729

Man Ray, 1935, Valentine Hugo, Gelatin silver print, Philadelphia Museum of Art, LL/72110

Eugène Atget, 1904, Versailles - Bosquet de L'arc de Triomphe (Versailles - Grove of the Triumphal Arch), Albumen silver print, Philadelphia Museum of Art, LL/71185

Edward Steichen, 1913 (photogravure), Venice, [Camera Work, no. 44, pl. 01], Photogravure, Philadelphia Museum of Art, LL/72249

Thomas Eakins, 1881-1884 (ca), Brooklyn No. 1, Masked Girl, [Naked Series: Brooklyn No. 1], Albumen silver prints, Philadelphia Museum of Art, LL/71036

Nadar, 1885, Galli-Marie, [Paris-Artiste], Woodburytype, Philadelphia Museum of Art, LL/72033

Ray K. Metzker, 1963, Untitled (Philadelphia), Gelatin silver print, Philadelphia Museum of Art, LL/71999

Robert Frank, 1955 (taken) 1960s (print), Canal Street, Gelatin silver print, Philadelphia Museum of Art, LL/71748

Calvert Richard Jones, 1845 (taken, later print), Cobra at Swansea, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71849

Frank Eugene, 1900 (ca), Portrait of Alfred Stieglitz, Gelatin silver print, Philadelphia Museum of Art, LL/71565

Louis-Jean Delton, 1867 (ca), Eleven portraits mounted on an album page - Album Hippique, [Album Hippique], Albumen silver print, Philadelphia Museum of Art, LL/71027

Heinrich Kühn, 1902 (taken) 1906 (photogravure), Roman Campagna, [Camera Work, no. 13, pl. 05], Photogravure, Philadelphia Museum of Art, LL/71938

John Edward Saché, 1865-1882 (ca), Parsee Burying Ground, [Views of Calcutta, Vol. II, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71101

J.A. Whipple, 1854, The Three Pets, Salted paper print, Philadelphia Museum of Art, LL/72501

Paul Burty Haviland, 1912 (ca), Mr. Christian Brinton, Platinum print, Philadelphia Museum of Art, LL/71802

Edward Steichen, 1921 (taken) 1981-1982 (print), Three Apples, France, [Steichen: Twenty-Five Photographs], Gelatin silver print, Philadelphia Museum of Art, LL/72243

Clarence H. White, 1903, Illustration to "Eben Holden", [Camera Work, no. 03, pl. 03], Photogravure, Philadelphia Museum of Art, LL/72513

Frederick H. Evans, 1899 (ca), Ely Cathedral: An Octagon Arch, Gelatin bromide print, Philadelphia Museum of Art, LL/71609

Walter Hege, 1928-1930, Acropolis (Erectheum: capital and entablature of central column, east side), Gelatin silver print, Philadelphia Museum of Art, LL/71822

Alfred Stieglitz, 1905 (taken) (print), Katherine, [Camera Work, no. 12, pl. 06], Photogravure, Philadelphia Museum of Art, LL/72281

O.H. Willard, 1865 (ca), Sergeant of Ordnance, Albumen silver print, hand-colored, from a wet collodion negative, Philadelphia Museum of Art, LL/71233

Paul Burty Haviland, 1912 (photogravure), Totote, [Camera Work, no. 39, pl. 04], Photogravure, Philadelphia Museum of Art, LL/71810

Burk Uzzle, 1980, Sunbathing, Coney Island, New York, Gelatin silver print, Philadelphia Museum of Art, LL/72465

Etienne Carjat, 1884, Jules Verne, [Paris-Artiste], Woodburytype, on printed sheet, Philadelphia Museum of Art, LL/71401

Edward Steichen, 1903 (taken) 1904 (halftone), Sadakichi Hartmann, [Camera Work, no. 07, pl. 09], Halftone, Philadelphia Museum of Art, LL/72223

Frederick DeBourg Richards, 1856, May, The Willing Mansion, Salted paper print, from a paper negative, Philadelphia Museum of Art, LL/72134

Helen Levitt, 1941, Mexico City, Gelatin silver print, Philadelphia Museum of Art, LL/71964

Shõmei Tõmatsu, 1963, Nagasaki, Gelatin silver print, Philadelphia Museum of Art, LL/72444

Sebastião Salgado, 1987, Kommunaar Automobile Plant, Zaporozh'ye, Ukraine, [Workers, An Archaeology of the Industrial Age], Gelatin silver print, Philadelphia Museum of Art, LL/72142

Henri Cartier-Bresson, 1949, Last Days of the Kuomintang, Peking, China, Gelatin silver print, Philadelphia Museum of Art, LL/71406

Man Ray, 1920, Rotary Glass Plates, Gelatin silver print, Philadelphia Museum of Art, LL/72099

Frederick H. Evans, 1911 (ca), Durham Cathedral: Across Nave from South Aisle, Gelatin bromide print, Philadelphia Museum of Art, LL/71599

Edward Steichen, 1913 (photogravure), The Man that Resembles Erasmus, [Camera Work, no. 42/43, pl. 07], Photogravure, Philadelphia Museum of Art, LL/72236

Robert Demachy, 1897, Cigarette Girl - Idea for a Poster (Projet d'Affiche), Gum bichromate print, Philadelphia Museum of Art, LL/71470

Frank Eugene, 1910 (photogravure), The Cat, [Camera Work, no. 48, pl. 01], Photogravure, Philadelphia Museum of Art, LL/71574

F.A. Wenderoth, 1857, Portrait of a Negress, Salted paper print, Philadelphia Museum of Art, LL/72495

Frederick H. Evans, 1911, Westminster Abbey: Roof of Henry VII Chapel, Platinum print, Philadelphia Museum of Art, LL/71695

Thomas Eakins, 1883 (ca), Female Model, [Naked Series], Albumen silver prints, Philadelphia Museum of Art, LL/71038

Charles Marville, 1865 (ca), Carrefour du Puits Certain, Albumen silver print, Philadelphia Museum of Art, LL/71985

Eugène Atget, 1908, Hotel Chemiseau, rue Saint-Louis-en-l'Ile 51, Albumen silver print, Philadelphia Museum of Art, LL/71161

Frederick H. Evans, 1905 (ca), York Minster: Chapter House Sculpture, Platinum print, Philadelphia Museum of Art, LL/71720

Gertrude Käsebier, 1900 (ca), Portrait of the Artist's Daughter, Hermine Käsebier, Platinum print, Philadelphia Museum of Art, LL/71894

Frederick H. Evans, 1908 (ca), Berberis: Plant Study, Platinum print, Philadelphia Museum of Art, LL/71583

Lucia Moholy, 1926, László Moholy-Nagy, Gelatin silver print, Philadelphia Museum of Art, LL/72003

John Edward Saché, 1865-1882 (ca), British India Strs, [Views of Calcutta, Vol. II, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71106

Frederick H. Evans, 1911, Westminster Abbey: North Transept: West Aisle, Platinum print, Philadelphia Museum of Art, LL/71693

Samuel Bourne, 1865, View below the Meribul Pass, Singapore, Albumen silver print, Philadelphia Museum of Art, LL/71223

John Beeby (American, active 1890s), 1897-1902, Bookplate of the Camera Club Library, Printed bookplate, Philadelphia Museum of Art, LL/71351

Calvert Richard Jones, 1846, The Colosseum, Rome, Second View, Salted paper print, from a paper negative, Philadelphia Museum of Art, LL/71875

Calvert Richard Jones, 1845 (taken, later print), Dublin, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71854

Man Ray, 1931, Electricité, [Électricité], Photogravure, Philadelphia Museum of Art, LL/72071

M. Rol (French, active c. 1900), 1913, The Camera, Now in the Museum of Arts and Metiers, which in 1885 Served the Inventor Who Made the First Photographic Negative that Solved the Problem of Hypographic Photogravure, Gelatin silver print, Philadelphia Museum of Art, LL/72138

Robert Frank, 1955, Rooming House, Bunker Hill, Los Angeles, Gelatin silver print, Philadelphia Museum of Art, LL/71777

Gertrude Käsebier, 1905 (photogravure), Happy Days, [Camera Work, no. 10, pl. 04], Photogravure, Philadelphia Museum of Art, LL/71884

Alfred Stieglitz, 1890, Self-Portrait - Cortina, Italy, Gelatin silver print, Philadelphia Museum of Art, LL/72298

Sarah Choate Sears, 1901 (taken) 1907 (photogravure), Mrs. Julia Ward Howe, [Camera Work, no. 18, pl. 07], Photogravure, Philadelphia Museum of Art, LL/72157

Skeen & Co., 1860-1890 (ca), Peradeniya Garden, Albumen silver print, Philadelphia Museum of Art, LL/71194

Alfred Stieglitz, 1894, Washday, Katwyk, Europe, Gelatin silver print, Philadelphia Museum of Art, LL/72341

Whiting-Salzman Studio (American, active New York City, 1931), 1931 (ca), Untitled (Photographic Design with Beans), Gelatin silver print, Philadelphia Museum of Art, LL/72538

Ecce Photo (French, active early 20th century), 1930-1931 (ca), Untitled (Nude Woman on Ladder), Gelatin silver print, Philadelphia Museum of Art, LL/71486

Luke Swank, 1930-1933 (ca), Untitled (Tenement), Gelatin silver print, Philadelphia Museum of Art, LL/72432

Cutting & Turner (Boston, active 1857-1860), 1858, Architectural Designs, Photolithograph, Philadelphia Museum of Art, LL/71455

Frederick H. Evans, 1906-1907 (ca), Chateau Gaillard, Platinum print, Philadelphia Museum of Art, LL/71595

Nevil Story-Maskelyne, 1855, Charlton House, Albumen silver print, Philadelphia Museum of Art, LL/40657

Peter A. Juley & Son (New York City, active 1910s - 1970s), 1946, An American Place, Gelatin silver print, Philadelphia Museum of Art, LL/72048

William Eggleston, 1970 (taken) 1980 (print), Near Extinct Wannalaw Plantation, Mississippi, Dye transfer print, Philadelphia Museum of Art, LL/71492

Robert Frank, 1955 (taken) 1960s (print), Trolley, New Orleans, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71782

Alphonse J. Liébert, 1877, Noémis Marcus, [Paris-Théâtre], Woodburytype, on printed sheet, Philadelphia Museum of Art, LL/71965

Ilse Bing, 1930-1931 (ca), Untitled (Birds), Gelatin silver print, Philadelphia Museum of Art, LL/71363

Robert Demachy, 1904 (taken) (photogravure), In Brittany, [Camera Work, no. 05, pl. 01], Photogravure, Philadelphia Museum of Art, LL/71472

Alfred Stieglitz, 1911 (taken) 1913 (print), A Shapshot, Paris, [Camera Work, no. 41, pl. 07], Photogravure, Philadelphia Museum of Art, LL/72259

Edward Steichen, 1913 (photogravure), Isadora Duncan, [Camera Work, no. 42/43, pl. 02], Photogravure, Philadelphia Museum of Art, LL/72192

Nadar, 1877, Georges Richard, [Paris-Théâtre], Woodburytype, Philadelphia Museum of Art, LL/72029

Robert Frank, 1956, Political Rally, Chicago, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71771

Eugène Atget, 1906, Parc de Saint-Cloud, Albumen silver print, Philadelphia Museum of Art, LL/71135

Frederick H. Evans, 1903 (ca), Wells Cathedral: From the Moat, Gelatin bromide print, Philadelphia Museum of Art, LL/71653

Samuel Bourne, 1863-1869, Ghats, Benares, Albumen silver print, Philadelphia Museum of Art, LL/71188

Bourne & Shepherd, 1864-1869, View of Kathmandu, Albumen silver print, Philadelphia Museum of Art, LL/71217

Gertrude Käsebier, 1905 (photogravure), Pastoral, [Camera Work, no. 10, pl. 06], Photogravure, Philadelphia Museum of Art, LL/71890

Robert Redfield, 1889 (ca), Mary and Heloise Redfield at Mount Washington, Platinum print, Philadelphia Museum of Art, LL/72113

Gertrude Käsebier, 1906, The Misses Gerson, Gum over platinum print, Philadelphia Museum of Art, LL/71898

Louis-Jean Delton, 1867 (ca), Jument de selle de la Princesse de Metternich, [Album Hippique], Albumen silver print, Philadelphia Museum of Art, LL/71017

Francis Frith, 1857, Self-Portrait in Turkish Summer Costume, Albumen silver print, Philadelphia Museum of Art, LL/71788

John Edward Saché, 1865-1882 (ca), Old Court House St., Calcutta, [Views of Calcutta, Vol. I, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71108

Paul Strand, 1953 (taken) (print), Worker, Luzzara, Gelatin silver print, Philadelphia Museum of Art, LL/72390

Eugène Atget, 1921, Tuileries - Figure, Albumen silver print, Philadelphia Museum of Art, LL/71121

Calvert Richard Jones, 1845 (taken, later print), Royal William Victualling Yard, Plymouth, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71870

Alvin Langdon Coburn, 1911, Mount Clark, Yosemite, Platinum print, with gum bichromate, Philadelphia Museum of Art, LL/71435

Edward Steichen, 1913 (photogravure), Nocturne - Orangerie Staircase, Versailles, [Camera Work, no. 42/43, pl. 13], Photogravure, Philadelphia Museum of Art, LL/72209

Robert Frank, 1955, Car accident - U.S. 66, between Winslow and Flagstaff, Arizona, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71750

Harry C. Rubincam, 1905 (ca), Untitled (Boy Standing in Doorway), Platinum print, Philadelphia Museum of Art, LL/72141

Heinrich Kühn, 1900 (taken) 1911 (photogravure), On the Dunes, [Camera Work, no. 33, pl. 10], Mezzotint photogravure, Philadelphia Museum of Art, LL/71932

John Bullock, 1905 (ca), Untitled (Landscape with Tree), Platinum print, Philadelphia Museum of Art, LL/71390

Alvin Langdon Coburn, 1904 (photogravure), Gables, [Camera Work, no. 06, pl. 01], Photogravure, Philadelphia Museum of Art, LL/71430

Man Ray, 1931, Salle De Bain, [Électricité], Photogravure, Philadelphia Museum of Art, LL/72101

John Edward Saché, 1865-1882 (ca), Dalhousie Square and Post Office, [Views of Calcutta, Vol. II, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71102

Hugo Henneberg, 1901 (taken) 1906 (photogravure), Villa Torlonia, [Camera Work, no. 13, pl. 03], Photogravure, Philadelphia Museum of Art, LL/71830

John Edward Saché, 1865-1882 (ca), Untitled, [Views of Calcutta, Vol. II, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71078

Robert Frank, 1955, Motorama, Los Angeles, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71766

Hans Watzek, 1901 (taken) 1906 (photogravure), Sheep, [Camera Work, no. 13, pl. 13], Photogravure, Philadelphia Museum of Art, LL/72492

Clarence H. White, 1908 (photogravure), Portrait - Mrs. Harrington Mann, [Camera Work, no. 23, pl. 15], Photogravure, Philadelphia Museum of Art, LL/72526

Heinrich Kühn, 1906 (photogravure), Girl with Mirror, [Camera Work, no. 13, pl. 06], Photogravure, Philadelphia Museum of Art, LL/71927

Eugène Atget, 1908, Cheminée du Louvre, Albumen silver print, Philadelphia Museum of Art, LL/71144

Robert Frank, 1955 (taken) 1960s (print), Bar - New York City, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71741

Stephen Guion Williams (American, born 1942), 1980 (ca, taken) 1982 (print), Hunting - Baffin Island, [In the Middle, Qitinganituk: the Eskimo Today], Gelatin silver print, toned, Philadelphia Museum of Art, LL/72542

Ansel Adams, 1939 (taken) -1940 (print), Alfred Stieglitz at An American Place, Gelatin silver print, Philadelphia Museum of Art, LL/71295

Felice Beato, 1860, 21 October, Top of the Wall from Anting Gate, Pekin - Possession Taken by English and French Troops, [Album China], Albumen silver print, Philadelphia Museum of Art, LL/71276

August Sander, 1937 (ca), The Siebengebirge from Rolandsbogen to the Ölberg, Germany, Gelatin silver print, Philadelphia Museum of Art, LL/72154

Thomas Eakins, 1884 (negative, later print), Boy Jumping Horizontally, Gelatin silver print, Philadelphia Museum of Art, LL/71041

Paul Strand, 1953 (taken) 1980s, early-mid (print), Boy, Luzzara, Gelatin silver print, Philadelphia Museum of Art, LL/72379

Frederick H. Evans, 1908 (ca), Redlands Woods, Platinum print, Philadelphia Museum of Art, LL/71647

Joseph T. Keiley, 1900 (ca), Landscape (Dusk), Platinum print, Philadelphia Museum of Art, LL/71909

Alfred Stieglitz, 1910 (taken) 1911 (print), Old and New New York, [Camera Work, no. 36, pl. 06], Photogravure, Philadelphia Museum of Art, LL/72292

George Platt Lynes, 1938, Gracie Allen, Gelatin silver print, Philadelphia Museum of Art, LL/71979

Paul Strand, 1917 (taken) (print), Backyard, Winter, New York, Platinum print, Philadelphia Museum of Art, LL/72372

Felice Beato, 1860, 1 March, Panorama of Hong Kong Showing the Fleet for North China Expedition [2 of 6], [Album China], Albumen silver print, Philadelphia Museum of Art, LL/71267

Librairie Nilsson (Paris, France), 1898, Catalogue cover for Portraits Contemporains, Catalogue cover, Philadelphia Museum of Art, LL/71341

Man Ray, 1922, Picasso in His Studio on the rue de La Boëtie, Paris, Gelatin silver print, Philadelphia Museum of Art, LL/72096

Gertrude Käsebier, 1905 (ca), Claire Lison, Platinum print, Philadelphia Museum of Art, LL/71879

Calvert Richard Jones, 1845 (taken, later print), Malta, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71865

Frederick H. Evans, 1901 (ca), Bourges Cathedral, The Double Aisles, Platinum print, Philadelphia Museum of Art, LL/71589

Frederick H. Evans, 1908 (ca), Redlands Woods, Platinum print, Philadelphia Museum of Art, LL/71646

Thomas Eakins, 1884 (negative, later print), Man Striding to the Right, Gelatin silver print, Philadelphia Museum of Art, LL/71042

Frederick H. Evans, 1903 (ca), Gloucester Cathedral: Lady Chapel, Platinum print, Philadelphia Museum of Art, LL/71620

William J. Stillman, 1869 (taken) 1870 (autotype), Western Façade of the Parthenon, [The Acropolis of Athens, Illustrated Picturesquely and Architecturally in Photography, pl. 09], Carbon print (autotype), Philadelphia Museum of Art, LL/72358

Skeen & Co., 1860-1890 (ca), Hindu Temple, Rameswaram, Albumen silver print, Philadelphia Museum of Art, LL/71191

William Henry Jackson, 1883 (ca), Natural Bridge, Shoshone Falls, Idaho, Albumen silver print, Philadelphia Museum of Art, LL/71844

Francis Bedford, 1885, Clovelly, Albumen silver print, Philadelphia Museum of Art, LL/71350

Shõmei Tõmatsu, 1961, Nagasaki, Gelatin silver print, Philadelphia Museum of Art, LL/72441

Unidentified photographer / artist (American), 1880 (ca), Comic Tintype (Man with Oversized Head), Tintype, Philadelphia Museum of Art, LL/71337

F. Benedict Herzog, 1905 (photogravure), Angela, [Camera Work, no. 12, pl. 18], Photogravure, Philadelphia Museum of Art, LL/71831

Robert Frank, 1955 (taken) 1969 (print), Fourth of July, Jay, New York, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71757

Robert Frank, 1955, Newburg, New York, Gelatin silver print, Philadelphia Museum of Art, LL/71769

Man Ray, 1931, Le Souffle (Breeze) / The Fan, [Électricité], Photogravure, Philadelphia Museum of Art, LL/72087