Roger Fenton, 1855, Two Men in Uniforms, Standing, Albumen silver print, Philadelphia Museum of Art, LL/71731

Linnaeus Tripe, 1863-1869, Trichinopoly - General View of the Seringham Pagodas from Top of Gateway, Albumen silver print, Philadelphia Museum of Art, LL/71211

Felice Beato, 1860, October, Panorama of Pekin, Taken from the South Gate Leading into the Chinese City [2 of 6], [Album China], Albumen silver print, Philadelphia Museum of Art, LL/71242

John Edward Saché, 1865-1882 (ca), House at Garden Reach, [Views of Calcutta, Vol. II, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71098

Nadar, 1877, Conchita Gelabert, [Paris-Théâtre], Woodburytype, Philadelphia Museum of Art, LL/72028

Clarence H. White, 1908 (photogravure), The Pipes of Pan, [Camera Work, no. 23, pl. 09], Photogravure, Philadelphia Museum of Art, LL/72533

Joseph T. Keiley, 1902 (taken) 1907 (photogravure), Portrait - Miss De C., [Camera Work, no. 17, pl. 03], Photogravure, Philadelphia Museum of Art, LL/71914

Eugène Atget, 1901, Hôtel de Beauffremont, rue de Grenelle 87, Albumen silver print, Philadelphia Museum of Art, LL/71149

Paul Strand, 1953 (taken) (print), Town Clerk, Luzzara, Gelatin silver print, Philadelphia Museum of Art, LL/72400

J. Craig Annan, 1910 (photogravure), Man Sketching, [Camera Work, no. 32, pl. 02], Photogravure, Philadelphia Museum of Art, LL/71327

Frank Eugene, 1910 (photogravure), Frau Ludwig von Hohlwein, [Camera Work, no. 31, pl. 10], Photogravure, Philadelphia Museum of Art, LL/71553

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

Paul Strand, 1920 (ca, taken) (ca, print), Alfred Stieglitz, New York, Gelatin silver print, Philadelphia Museum of Art, LL/72369

Clarence H. White, 1908 (photogravure), Girl with Rose, [Camera Work, no. 23, pl. 16], Photogravure, Philadelphia Museum of Art, LL/72511

Man Ray, 1949, Marcel Duchamp with Turkish Coin Necklace on Forehead, Hollywood, Gelatin silver print, Philadelphia Museum of Art, LL/72091

André Adolphe-Eugène Disdéri, 1859 (ca), Napoléon Eugène Louis, Prince Impérial, Albumen silver print, Philadelphia Museum of Art, LL/71227

Nadar, 1862, Self-portrait in Balloon Gondola, Albumen silver print, Philadelphia Museum of Art, LL/71190

John Edward Saché, 1865-1882 (ca), Canal, [Views of Calcutta, Vol. I, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71073

Rufus P. Anson, 1850s, Daguerrotypist with Camera, Daguerreotype, 1/6 plate, hand-coloured, Philadelphia Museum of Art, LL/71061

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

Man Ray, 1927-1930 (ca), Joella Levy, Gelatin silver print, Philadelphia Museum of Art, LL/72082

Paul Strand, 1953 (taken) (print), Landlord, Luzzara, Gelatin silver print, Philadelphia Museum of Art, LL/72387

Heinrich Kühn, 1911 (photogravure), Study, [Camera Work, no. 33, pl. 11], Photogravure, Philadelphia Museum of Art, LL/71941

Calvert Richard Jones, 1845 (taken, later print), Greenwich Hospital Pensioners, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71861

Alvin Langdon Coburn, 1909, Fountain Court, The Temple, [Portfolio London], Photogravure, Philadelphia Museum of Art, LL/71429

Edward Steichen, 1902 (taken) 1906 (photogravure), The Little Model, [Camera Work, no. 14, pl. 06], Photogravure, Philadelphia Museum of Art, LL/72234

Joseph T. Keiley, 1901 (ca), Untitled (Buildings, Probably Havana), Platinum print, Philadelphia Museum of Art, LL/71919

Frederick H. Evans, 1906-1907 (ca), Le Puy: St. Michael's, From the Altar, Gelatin bromide print, Philadelphia Museum of Art, LL/71636

Frederick H. Evans, 1902 (taken) 1904 (photogravure), York Minster: In Sure and Certain Hope, [Camera Work, no. 04, pl. 04], Photogravure, Philadelphia Museum of Art, LL/71629

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

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

Clarence H. White, 1909 (taken) 1910 (photogravure), Alvin Langdon Coburn and His Mother, [Camera Work, no. 33, pl. 01], Photogravure, Philadelphia Museum of Art, LL/72502

John Edward Saché, 1865-1882 (ca), Mint, [Views of Calcutta, Vol. II, album], Albumen print, mounted on thin card, Philadelphia Museum of Art, LL/71076

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

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

Imogen Cunningham, 1929, Hand of Gerald Warburg, Cellist, Gelatin silver print, Philadelphia Museum of Art, LL/71452

Thomas Eakins, 1884 (negative, later print), Woman Walking to the Right, Gelatin silver print, Philadelphia Museum of Art, LL/71048

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

Alfred Stieglitz, 1922, Clouds - Music No. 3, Platinum print, Philadelphia Museum of Art, LL/72264

Frank Eugene, 1910 (photogravure), Dr. Georg Hirth, [Camera Work, no. 31, pl. 07], Photogravure, Philadelphia Museum of Art, LL/71552

Frederick H. Evans, 1911, Westminster Abbey: Tomb in St. Nicholas Chapel, South Ambulatory, Platinum print, Philadelphia Museum of Art, LL/71710

Alfred Stieglitz, 1910 (taken) 1911 (print), The Ferry Boat, [Camera Work, no. 36, pl. 03], Photogravure, Philadelphia Museum of Art, LL/72316

Felice Beato, 1860, 1 August, Panorama - View of Pehtung [image b, 2 of 4], [Album China], Albumen silver print, Philadelphia Museum of Art, LL/71254

Guido Rey, 1908 (photogravure), A Flemish Interior, [Camera Work, no. 24, pl. 10], Photogravure, Philadelphia Museum of Art, LL/72117

Jeremiah Gurney, 1858, 11 March (published), Jeremiah Gurney, Esq., Salted paper print, Philadelphia Museum of Art, LL/71796

Gilbert & George, 1983, Fired, Gelatin silver prints, hand-dyed, Philadelphia Museum of Art, LL/71793

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

Edward Steichen, 1901 (taken) 1906 (photogravure), Solitude, [Camera Work, Steichen Supplement (1906), pl. 13], Photogravure, Philadelphia Museum of Art, LL/72227

Edward Steichen, 1918-1919, This Was Forges, Gelatin silver print, Philadelphia Museum of Art, LL/72242

Eva Watson-Schutze, 1905 (ca), Woman and Three Children Reading (Byrdcliffe), Platinum print, Philadelphia Museum of Art, LL/72486

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

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

Alfred Stieglitz, 1910 (ca), A Venetian Well, Photogravure, Philadelphia Museum of Art, LL/72260

W. & F. Langenheim, 1856, Doughoregon Manor, Stereographic lantern slide, hand-colored, Philadelphia Museum of Art, LL/71951

Louis-Jean Delton, 1867 (ca), Monsieur Adam Salomon, photographe, [Album Hippique], Albumen silver print, Philadelphia Museum of Art, LL/71018

Ray K. Metzker, 2009 (taken) (print), Autowackies: Philadelphia, [Autowackies], Gelatin silver print, Philadelphia Museum of Art, LL/71995

William E. Willmerding (American, 1858-1932), 1908 (photogravure), Over the House Tops - New York, [Camera Work, no. 24, pl. 08], Photogravure, Philadelphia Museum of Art, LL/72543

W. & F. Langenheim, 1856, Niagara Falls, Summer View, Table Rock, from Above, Stereographic lantern slide, hand-colored, Philadelphia Museum of Art, LL/71955

Eugène Atget, 1904-1905, Hôtel de Sully-Charost, 11, rue du Cherche-Midi, Albumen silver print, Philadelphia Museum of Art, LL/71155

Paul Strand, 1953 (taken) (print), Arcades, Luzzara, Gelatin silver print, Philadelphia Museum of Art, LL/72371

Eugène Atget, 1922-1923, Versailles, Albumen silver print, Philadelphia Museum of Art, LL/71164

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

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

Frederick H. Evans, 1903 (ca), Gloucester Cathedral: Nave Looking East, Platinum print, Philadelphia Museum of Art, LL/71621

Herbert G. French, 1907 (taken) 1909 (photogravure), Illustration No. 22, [Camera Work, no. 27, pl. 05], Photogravure, Philadelphia Museum of Art, LL/71787

Gustave Le Gray, 1857, The Broken Wave, Mediterranean Sea / La Vague Brisée -- Mer Méditerranée, [Marines], Albumen silver print, from a collodion on glass negative, Philadelphia Museum of Art, LL/71224

A. Horsley Hinton, 1905 (photogravure), Rain from the Hills, [Camera Work, no. 11, pl. 10], Photogravure, Philadelphia Museum of Art, LL/71836

Adolphe Braun, Late 19th century, Bastien - Lepage - La Saison d'Octobre (Salon de 1879) No. 629, Albumen silver print, Philadelphia Museum of Art, LL/71380

Circle of Thomas Eakins, 1883-1885, Young Girl, Nude, Albumen print, Philadelphia Museum of Art, LL/71058

Southworth & Hawes, 1850-1860 (ca), Chest-length Portrait of Male Sitter, Daguerreotype, 1/2 plate, Philadelphia Museum of Art, LL/71066

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

Hofmeister Brothers, 1904 (halftone), Sea Calm, [Camera Work, no. 07, pl. 06], Halftone, Philadelphia Museum of Art, LL/71839

Dallett Fuguet, 1902 (photogravure), The Street, [Camera Notes], Photogravure, Philadelphia Museum of Art, LL/71791

White Studio (New York, active 1900-1936), 1934, Scene from the original production of "Four Saints in Three Acts", Gelatin silver print, Philadelphia Museum of Art, LL/72537

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

Paul Burty Haviland, 1914 (photogravure), New York at Night, [Camera Work, no. 46, pl. 02], Photogravure, Philadelphia Museum of Art, LL/71804

Calvert Richard Jones, 1845 (taken, later print), Mary of Stives and Liberty at Swansea, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71868

Frederick H. Evans, 1903 (ca), Wells Cathedral: Chapter House Interior, Platinum print, Philadelphia Museum of Art, LL/71651

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

Alfred Stieglitz, 1893 (taken) 1911 (print), The Terminal, [Camera Work, no. 36, pl. 15], Photogravure, Philadelphia Museum of Art, LL/72331

Frederick H. Evans, 1899 (ca), Ely Cathedral: Entrance to Bishop West's Chapel, Platinum print, Philadelphia Museum of Art, LL/71610

Frederick H. Evans, 1903 (ca), Gloucester Cathedral: North Choir Ambulatory to West, Platinum print, Philadelphia Museum of Art, LL/71622

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

Alfred Stieglitz, 1886-1894, Street Scene - Europe, Albumen silver print, Philadelphia Museum of Art, LL/72310

Calvert Richard Jones, 1845 (taken, later print), Brig and Schooner at Swansea, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71847

Skeen & Co., 1860-1890 (ca), The Rambodda Falls, Albumen silver print, Philadelphia Museum of Art, LL/71195

Robert Frank, 1956 (taken) 1960s (print), Salt Lake City, Utah, Gelatin silver print, Philadelphia Museum of Art, LL/71778

Robert Frank, 1955 (taken) 1960s (print), Luncheonette-Butte, Montana, Gelatin silver print, Philadelphia Museum of Art, LL/71763

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

Julia Margaret Cameron, 1868 (ca), Hypatia (Study of Marie Spartali), Albumen silver print, from a wet collodion negative, Philadelphia Museum of Art, LL/71262

J. Craig Annan, 1904 (taken) 1909 (photogravure), Ex Libris, [Camera Work, no. 26, pl. 07], Photogravure, Philadelphia Museum of Art, LL/71322

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

Francis Bedford, 1885-1886 (ca), Clovelly, Fish Street, Albumen silver print, Philadelphia Museum of Art, LL/71219

Edward Steichen, 1930 (taken) 1981-1982 (print), Carl Sandburg, Michigan, [Steichen: Twenty-Five Photographs], Gelatin silver print, Philadelphia Museum of Art, LL/72176

Paul Strand, 1929 (taken) 1960s (print), Alfred Stieglitz, Lake George, New York, Gelatin silver print, Philadelphia Museum of Art, LL/72365

Eugène Atget, 1926, Trianon, Albumen silver print, matte, Philadelphia Museum of Art, LL/71118

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

Benque (French, active late 19th century), 1884, Mlle. Cecile Mezeray de l'Opéra-Comique, [Paris-Artiste], Woodburytype, Philadelphia Museum of Art, LL/71358

Frank Eugene, 1900 (ca), Portrait of Alfred Stieglitz, Gelatin silver print, Philadelphia Museum of Art, LL/71566

Heinrich Kühn, 1904, Alfred Stieglitz, Platinum print, Philadelphia Museum of Art, LL/71925

Ansel Adams, 1956 (taken) 1976-1979 (print), Charles Sheeler, San Francisco, Gelatin silver print, Philadelphia Museum of Art, LL/71299

Edward Steichen, 1903 (halftone), Nude with Cat, [Camera Work, no. 02, pl. 10], Halftone, Philadelphia Museum of Art, LL/72210

Dallemagne & Lazerges (French, active 1860s), 1860-1870s (taken) 1900-1930 (print), Untitled (Portrait of a Woman), Gelatin silver print, Philadelphia Museum of Art, LL/71462

Frederick H. Evans, 1911, Westminster Abbey: Entrance to Chapel of Henry VII, Platinum print, Philadelphia Museum of Art, LL/71678

Alvin Langdon Coburn, 1911, Wawona, Yosemite, Platinum print, with gum bichromate, Philadelphia Museum of Art, LL/71446

Ernst Enke (German, active second half of 19th century), 1883, Portrait of Alfred Stieglitz (In Arab Robe), Gelatin silver print, Philadelphia Museum of Art, LL/71546

Alfred Stieglitz, 1933, Apple Tree, Lake George, Gelatin silver print, Philadelphia Museum of Art, LL/72262

Frederick H. Evans, 1906-1907 (ca), Le Puy: From Cathedral Porch, Gelatin bromide print, Philadelphia Museum of Art, LL/71632

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

Robert Demachy, 1906, Street in Lisieux, [Camera Work, no. 16, pl. 04], Halftone, Philadelphia Museum of Art, LL/71478

Charles Nègre, 1856 (ca), Chartres Cathedral: Detail of Sculpture, Royal Portal (12 Century), Héliogravure (modern) from original steel plate, Philadelphia Museum of Art, LL/72042

James Cremer, 1876, Centennial Exhibition View, Albumen silver print, Philadelphia Museum of Art, LL/71449

James McClees, 1850 (ca), Portrait of a Woman, Salted paper print, Philadelphia Museum of Art, LL/71989

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

William Kurtz (American, born Germany, 1834-1904), 1885-1886 (taken, later rephotographed), Alfred Stieglitz, Mittenwald, Gelatin silver print, Philadelphia Museum of Art, LL/71947

Lock & Whitfield, 1877-1897, Mary Silton Robertson in As You Like It, [The Theatre], Woodburytype, on printed sheet, Philadelphia Museum of Art, LL/71974

Louis-Jean Delton, 1867 (ca), Lahor, normand d'attelage, Grand Prix extraordinaire, Société Hippique Française, 1866, [Album Hippique], Albumen silver print, Philadelphia Museum of Art, LL/71028

Edward Steichen, 1904 (taken) 1906 (halftone), The Brass Bowl, [Camera Work, no. 14, pl. 07], Halftone, Philadelphia Museum of Art, LL/72231

Calvert Richard Jones, 1845 (taken, later print), Swansea, Gelatin silver print,from original paper negative, Philadelphia Museum of Art, LL/71873

Eugène Atget, 1909, Cité du Retiro, 35, rue Boissy d'Anglas, Albumen silver print, Philadelphia Museum of Art, LL/71148

O.H. Willard, 1865 (ca), Artillery, First Sergeant, Albumen silver print, hand-colored, from a wet collodion negative, Philadelphia Museum of Art, LL/71231

Alfred Stieglitz, 1887, Self-Portrait, Bavaria, Gelatin silver print, Philadelphia Museum of Art, LL/72300

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

Ilse Bing, 1931, Untitled (Basket on Pavement, Veere Harbor), Gelatin silver print, Philadelphia Museum of Art, LL/71362

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

Edward Steichen, 1905 (taken) 1981 (print), The Flatiron, New York, 1905, [The Early Years, 1900-1927], Photogravure, Philadelphia Museum of Art, LL/72233

Alvin Langdon Coburn, 1904 (photogravure), A Portrait Study, [Camera Work, no. 06, pl. 02], Photogravure, Philadelphia Museum of Art, LL/71426

Alfred Stieglitz, 1910 (taken) 1911 (photogravure), A Dirigible, [Camera Work, no. 36, pl. 08], Photogravure, Philadelphia Museum of Art, LL/72257

Frederick H. Evans, 1911 (ca), Durham Cathedral: Nave, Platinum print, Philadelphia Museum of Art, LL/71601

Alfred Stieglitz, 1904 (taken) 1905 (print), Ploughing, [Camera Work, no. 12, pl. 08], Photogravure, Philadelphia Museum of Art, LL/72294

Eugène Atget, 1912, Saint-Etienne-du-Mont, jubé par Biard, Albumen silver print, Philadelphia Museum of Art, LL/71159

Umbo, 1928 (ca, taken) 1980 (print), Menjou en gros, Gelatin silver print, Philadelphia Museum of Art, LL/72454

Eugène Atget, 1910-1911 (taken) 1930 (ca, print), Intérieur Atget / Atget's Workroom, Gelatin silver print, Philadelphia Museum of Art, LL/71109

Frederick H. Evans, 1905 (ca), An English Glacier: Near Summit of Scafell, Platinum print, Philadelphia Museum of Art, LL/71578

Paul Burty Haviland, 1908, The Japanese Lantern, Platinum print, Philadelphia Museum of Art, LL/71807

Joseph T. Keiley, 1907 (halftone), A Bit of Paris, [Camera Work, no. 17, pl. 06], Halftone, Philadelphia Museum of Art, LL/71906

Nadar, 1883 (taken) 100-1930 (print), Gustave Doré sur son lit de mort (Gustave Doré on his deathbed), Gelatin silver print, Philadelphia Museum of Art, LL/72034

Louis Faurer, 1944-1945, Market Street, Philadelphia, Gelatin silver print, Philadelphia Museum of Art, LL/71730

Frederick H. Evans, 1911, Westminster Abbey: North Side Confessor's Chapel, Platinum print, Philadelphia Museum of Art, LL/71690

J. Craig Annan, 1914 (photogravure), A Gitana, Granada, [Camera Work, no. 45, pl. 02], Photogravure, Philadelphia Museum of Art, LL/71317

Alfred Stieglitz, 1906 (taken) 1911 (print), The Swimming Lesson, [Camera Work, no. 36, pl. 11], Photogravure, Philadelphia Museum of Art, LL/72329

Paul Strand, 1953 (taken) (print), Tool Grinder, Luzzara, Gelatin silver print, Philadelphia Museum of Art, LL/72399

Robert Frank, 1955, Drugstore, Detroit, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71755

Édouard Baldus, 1860 (ca), Tuileries Palace, Albumen silver print, Philadelphia Museum of Art, LL/71279

Louis-Jean Delton, 1867 (ca), Demi-Daumont à Madame la Princesse de Metternich, [Album Hippique], Albumen silver print, Philadelphia Museum of Art, LL/71020

Henry Fox Talbot, 1844 (ca), York Minster, Calotype, Philadelphia Museum of Art, LL/72439

Edward Steichen, 1902 (taken) 1981 (print), Torso, Paris, 1902, [The Early Years, 1900-1927], Photogravure, Philadelphia Museum of Art, LL/72245

Eugène Atget, 1922-1923, Versailles, Albumen silver print, Philadelphia Museum of Art, LL/71166

Alfred Stieglitz, 1921, Cover of Catalogue for Stieglitz's 1921 Exhibition of Photographs at Anderson Galleries, New York City, Catalogue cover, Philadelphia Museum of Art, LL/71338

Man Ray, 1921 (taken), Tonsure, Gelatin silver print, Philadelphia Museum of Art, LL/72104

Robert Frank, 1955, U.S. 285, New Mexico, Gelatin silver print, Philadelphia Museum of Art, LL/71783

Robert Demachy, 1904 (photogravure), Contrasts, [Camera Work, no. 05, pl. 05], Photogravure, Philadelphia Museum of Art, LL/71471

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

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

Frederick H. Evans, 1908 (ca), In Deerleap Woods, Platinum print, Philadelphia Museum of Art, LL/71626

Gertrude Käsebier, 1905 (ca), Untitled (Seated Woman with Globe), Platinum print, Philadelphia Museum of Art, LL/71903

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

Frederick H. Evans, 1911 (ca), Durham Cathedral: Galilee Chapel, Bede's Tomb, Platinum print, Philadelphia Museum of Art, LL/71600

Paul Strand, 1929 (taken) (print), Alfred Stieglitz, Lake George, New York, Gelatin silver print, Philadelphia Museum of Art, LL/72363

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

Gertrude Käsebier, 1905 (photogravure), Portrait - Miss Minnie Ashley, [Camera Work, no. 10, pl. 01], Photogravure, Philadelphia Museum of Art, LL/71891

Paul Burty Haviland, 1912 (photogravure), The Spanish Shawl, [Camera Work, no. 39, pl. 01], Photogravure, Philadelphia Museum of Art, LL/71809

Paul Burty Haviland, 1914 (photogravure), New York at Night, [Camera Work, no. 46, pl. 01], Photogravure, Philadelphia Museum of Art, LL/71803

Gertrude Käsebier, 1900 (ca), Mrs. F. H. Evans, Platinum print, Philadelphia Museum of Art, LL/71887

Walter Hege, 1928-1930, Acropolis (Erectheum: Frieze of the Cella Wall), Gelatin silver print, Philadelphia Museum of Art, LL/71823

Thomas Eakins, 1884 (negative, later print), Man Riding a Horse, Gelatin silver print, Philadelphia Museum of Art, LL/71046

William J. Stillman, 1869 (taken) 1870 (autotype), Eastern Portico of the Parthenon, View Looking Northward, andShowing Mount Parnes in the Extreme Distance, [The Acropolis of Athens, Illustrated Picturesquely and Architecturally in Photography, pl. 15 (?)], Carbon print (autotype), Philadelphia Museum of Art, LL/72348

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

Felice Beato, 1860, April, Chinese Theater, Canton, April 1860, [Album China], Albumen silver print, Philadelphia Museum of Art, LL/71258

Eugène Atget, 1925, 10 Rue Mazet, Gelatin silver chloride print, Philadelphia Museum of Art, LL/71123

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

Charles Sheeler, 1931, Cactus and Photographer's Lamp, Painting, Philadelphia Museum of Art, LL/67903

William Christenberry, 1980 (taken) 1982 (print), Barn and Object, near Stewart, Alabama, Chromogenic print, Philadelphia Museum of Art, LL/71418

Henry Fox Talbot, 1845, Lacock Abbey Cloisters, Reverend Calvert Jones, Salted paper print, from a paper negative, Philadelphia Museum of Art, LL/72436

Clarence H. White, 1905 (taken) 1908 (photogravure), The Arbor, [Camera Work, no. 23, pl. 03], Photogravure, Philadelphia Museum of Art, LL/72529

Frederick H. Evans, 1899 (ca), Ely Cathedral: Late Afternoon Across the Transepts, Platinum print, Philadelphia Museum of Art, LL/71612

Alfred Stieglitz, 1895-1899, Typical Mounting, Framing and Hanging of Stieglitz's Prints During Last Half of 1890s, Gelatin silver print, Philadelphia Museum of Art, LL/72336

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

Ansel Adams, 1939 (ca), Alfred Stieglitz and Georgia O'Keeffe, Gelatin silver print, Philadelphia Museum of Art, LL/71283

Ecce Photo (French, active early 20th century), 1930-1931 (ca), Untitled (Figures, Sculptures, and Machine), Collage of gelatin silver prints, Philadelphia Museum of Art, LL/71484

George Washington Wilson, 1860-1890 (ca), Arcaded Stalls, Lady Chapel, Ely Cathedral, Albumen silver print, Philadelphia Museum of Art, LL/40659

Frederick H. Evans, 1911 (ca), Durham Cathedral: Nave Looking Towards East End, Platinum print, Philadelphia Museum of Art, LL/71602

Robert Frank, 1955 (taken) 1969 (print), Belle Isle, Detroit, [The Americans], Gelatin silver print, Philadelphia Museum of Art, LL/71745

Edward Steichen, 1901 (taken) 1903 (photogravure), Bartholomé, [Camera Work, no. 02, pl. 05], Photogravure, Philadelphia Museum of Art, LL/72173

Clarence H. White, 1903 (photogravure), Telegraph Poles, [Camera Work, no. 03, pl. 02], Photogravure, Philadelphia Museum of Art, LL/72528

Eadweard Muybridge, 1887, Baboon Walking on All Fours, [Animal Locomotion: An Electro Photographic Investigation of Consecutive Phases of Animal Movements, Vol. 11, Plate 747], Collotype, Philadelphia Museum of Art, LL/72019

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

Clarence H. White, 1908 (photogravure), Boys Going to School, [Camera Work, no. 23, pl. 05], Photogravure, Philadelphia Museum of Art, LL/72505

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

Burk Uzzle, 1982, Fourth of July Celebration, Small Town in New Jersey, Gelatin silver print, Philadelphia Museum of Art, LL/72462

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

Joseph T. Keiley, 1901 (taken) 1903 (halftone), The Last Hour, [Camera Work, no. 17, pl. 02], Halftone, Philadelphia Museum of Art, LL/71918

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

Frederick H. Evans, 1911, Westminster Abbey: Tomb of Edward III, Platinum print, Philadelphia Museum of Art, LL/71711

Edward Steichen, 1915 (ca), Untitled (aerial view, St. Peter-Vertoiba, Slovenia, Europe), Gelatin silver print, Philadelphia Museum of Art, LL/72246

Edward Steichen, 1903 (taken) 1906 (photogravure), Moonlight: The Pond, [Camera Work, no. 14, pl. 04], Photogravure, Philadelphia Museum of Art, LL/72207

Paul Burty Haviland, 1912 (photogravure), Miss Doris Keane, [Camera Work, no. 39, pl. 03], Photogravure, Philadelphia Museum of Art, LL/71800

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

Édouard Baldus, 1860 (ca), Arc de Triomphe, Albumen silver print, Philadelphia Museum of Art, LL/71201

Edward Steichen, 1908 (halftone), G. Bernard Shaw, [Camera Work, no. 21, pl. 05], Four color relief halftone, Philadelphia Museum of Art, LL/72185