Unidentified photographer, 1905-1915 (ca), [Two men in costume], Real photo postcard, Private collection of Brian Smolens, LL/30524

Unidentified photographer, 1897, Japanese letter carrier, Albumen print, hand-tinted, 10 x 8 in (approx), Private collection of Rob Oechsle, LL/26707

Unidentified photographer / artist, 1870s-1880s, B.1035 Wrestlers, Albumen print, hand-coloured, 8 x 10.2 in (20.3 x 26.0 cm), Paul Frecker, LL/25614

Émile Gsell, 1866-1868, Untitled [information wanted], [Views of Indochina], Albumen print, Bassenge Photography Auctions, Courtesy of Bassenge, Berlin (Photography, Sale: 90, Lot: 4063, Dec 5, 2007), LL/25232

Atelier Adele, 1869, March, 4 - Fleur de Ligne et Perle d'Alsace, Bouffonnerie militaire et alsacienne, [Viennese Charity Play], Cabinet card, Past to Present: Vintage Photo Gallery, LL/30504

Unidentified photographer, 1900 (ca), Prince Archibong II of Calabar, wearing his crown jewels and seated on a 'throne', Silver print, 20 x 15 cm, Allsworth Rare Books, LL/17883

Ludwig Angerer, 1860s, Tableau Vivant - Marie Antoinette in Prison, Albumen print, 21,5 x 27,5 cm, Bassenge Photography Auctions, Courtesy of Bassenge, Berlin (Photography, Sale: 90, Lot: 4015, Dec 5, 2007), LL/25207

Louis Auguste Bisson, 1843, Portrait of an unknown man, Daguerreotype, Framed, Rijksmuseum, Copyright © Rijksmuseum Amsterdam (RP-F-F14596), LL/25752

Unidentified photographer, n.d., Portrait d'un petit garþon accoudé au dossier d'une chaise, Daguerreotype, 9.5 x 7.2 cm (image) 22.4 x 20.2 (mount), Musée français de la Photographie, Inventory no: 73.2003.1, LL/42329

Noël Marie Paymal Lerebours, 1850-1870 (ca), Henry Tuillard, Daguerreotype, 17.2 x 14.6 cm (mount) 8.4 x 6.5 cm (image), Musée français de la Photographie, Inventory no: 83.4277.1, LL/42327

Hamilton (Buffalo, NY), n.d., Dapper kid, Carte de visite, Dennis A. Waters Fine Daguerreotypes, Courtesy of Dennis Waters Fine Daguerreotypes (www.finedags.com), LL/34137

Unidentified photographer, 1895 (ca), Card players, Tintype, 1/6 plate, Private collection of Nigel Maister, LL/31563

Unidentified photographer, n.d., A young woman posing in a photographer's studio amongst a "rustic" setting, Tintype, 1/6 plate, J. Cosmas Vintage Photography, LL/31981

Hippolyte Arnoux, 1880 (ca), [Water Carrier]. Porteuse d'eu, Albumen print, 280 x 220 mm (11 x 8.5 in), Bernard J. Shapero Rare Books, Courtesy of Bernard J Shapero Rare Books, LL/30090

Unidentified photographer, n.d., Dreams of Childhood, Tintype, Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (Skylight Gallery Catalog 27, October, 23, 2008 #39), LL/30946

Unidentified photographer, n.d., A young lad posed on painted prop horse, Tintype, 2 1/2 x 3 5/8 ins, Capitol Gallery, LL/43297

Estrella (Fall River, Mass.), n.d., Studio portrait of a suited man, Cabinet card, tinted, Dennis A. Waters Fine Daguerreotypes, Courtesy of Dennis Waters Fine Daguerreotypes (www.finedags.com), LL/34136

Atelier Adele, 1869, March, Duc Gualtithre, [Viennese Charity Play], Cabinet card, Past to Present: Vintage Photo Gallery, LL/30478

Auguste Maure, 1880, The flute player [Joueur de flute], Albumen print, Private collection of Gilles Dupont, LL/29569

Unidentified photographer, n.d., Carpenter, shipwright, Tintype, 1/2 plate, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: Feb 21, 2008, 51, part 1 / lot 62), LL/27074

Gates (Addison N.Y., branch of Forestville Studio, Chicago), n.d., Black Woman with Letter, Cabinet card, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: March 13, 2008, 51, part 2 / lot 84), LL/27713

Unidentified photographer, 1880 (ca), Man with a Marlin Rifle and Pistol, Tintype, tinted, 5 x 7 in, Carl Mautz Vintage Photographs, Courtesy of Carl Mautz, LL/11979

Mrs. Dexter, 1860 (ca), Studio portrait of a Rifle Volunteer (English), Ambrotype, 1/4 plate, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#13 / 29), LL/11245

Berthaud (Boulogne), n.d., Continental fishermen, Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#13 / 63), LL/11269

D. Antonopulo (Batum, on the Black Sea), n.d., Russian hunter with his dog, Cabinet card, Source requested, LL/6852

Unidentified photographer / artist, n.d., Colonel W.F. Cody, Cabinet card, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (45 / 84), LL/7406

Félix Bonfils, 1880 (ca), Femmes musulmanes syriennes à Beyrouth. Costume de ville, Photochromie d'après un papier albuminé d'après négatif sur verre au collodion, 22 x 16.5 cm, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, Acquisition 1973, LL/7794

Unidentified photographer, n.d., Relaxed before backdrop scene, Ambrotype, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (46 / 49), LL/8166

Unidentified photographer, n.d., Relaxed before backdrop scene, Ambrotype, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (46 / 49), LL/8165

Unidentified photographer, 1890 (ca), Fashion photography of the Roaring Nineties [French], Albumen print, 290 x 220 mm 11 x 8 1/2 in, Antiq-Photo, Courtesy of Anthony Davis - Antiq-photo / Rainbow creations (www.19cPhoto.com - 3eg282), LL/8592

Unidentified photographer, n.d., Child in front of a painted backdrop, Tintype, 1/2 plate, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (47 / 69), LL/11349

Unidentified photographer, 1860-1900, Portrait de deux hommes devant un décor de cascade, Tintype, ferrotypie, 12.7 x 8.8 cm, Musée français de la Photographie, Inventory no: 2009.18.55, LL/42373

Bieber Family, n.d., Unknown girl, Cabinet card, Private collection of T. Max Hochstetler, LL/34606

A.W. Rothengatter, 1880, Elephant "Hebe" and her baby "Young America", Carte de visite, 2 1/2 x 4 in (6 x 10 cm), KaufmaNelson Vintage Photographs, LL/24970

Unidentified photographer, 1880 (ca), Ladies' hairstyles, Tintype, 7 x 5 in, Private collection of Andrew Daneman, LL/24289

Allan Hughan, 1880 (ca), Four Kanak (Canaque) warriors, New Caledonia, Albumen print, 150 x 110 mm, Oceania-Ethnographica, LL/22915

John William Lindt, 1873, Group of Aborigines, Clarence River area, northern New South Wales, Albumen print, 190 x 142 mm, Oceania-Ethnographica, Courtesy of www.oceania-ethnographica.com (A028), LL/14380

Unidentified photographer, 1945 (ca), Motu women with full body tattoos, south coast New Guinea, Gelatin silver print, 88 x 55 mm, Oceania-Ethnographica, Courtesy of www.oceania-ethnographica.com (B015), LL/14388

Clarence L. Hunt, 1870s (ca), Four young landies and three young men posed in front of a decorative backdrop, Cabinet card, Private collection of John Toohey, LL/34309

Unidentified photographer, 1870s (ca), Unidentified woman standing next to a fence with a Niagara Falls backdrop in rear, Tintype, 9.3 x 6.1 cm, Library and Archives Canada, Library and Archives Canada/PA-147753, LL/34314

Southwell Brothers, 1862, Jimmy Rogers as Miss Eily O'Connor in a burlesque of Dion Boucicault's "the Colleen Bawn", Carte de visite, Paul Frecker, LL/34095

Southwell Brothers, 1860s (ca), Lydia thompson, actress, Carte de visite, Paul Frecker, LL/12306

Southwell Brothers, 1860s (ca), Mr Davenport of Maer, Carte de visite, Paul Frecker, LL/12327

Charles Eden (Ealing), n.d., Cricketer, Cabinet card, Jeffrey Kraus Antique Photographics, Courtesy of Jeffrey Kraus (SP10), LL/10977

Unidentified photographer / artist, 1865, 11 April (Patent), Woman (Mary C. Hilligoss) posing in a studio with a multiple CDV viewer, Archives of Modern Conflict OR National Gallery of Canada, LL/31374

Unidentified photographer / artist, 1920s (ca), Turkish woman, Postcard, Private collection of John Toohey, LL/33043

Unidentified photographer, 1880s (ca), Man photographing his "twin" by double exposure, perhaps even a self-portrait., Tintype, double exposure?, Private collection of Andrew Daneman, LL/29767

Beernaert Freres (Gand, Belgium), 1900 (ca), Hunter with rifle and dog, Private collection of Jan Weijers (Servatius), LL/29083

Unidentified photographer, 1890, Professional Photographer, Private collection of Jan Weijers (Servatius), Courtesy of Jan Weijers, LL/26070

C.H. Muller, 1856 (ca), Portrait of a Young Girl, Salt print, hand-coloured, rounded corners, 21 x 15,8 cm, Bassenge Photography Auctions, Courtesy of Bassenge, Berlin (Photography, Sale: 90, Lot: 4099, Dec 5, 2007), LL/25246

Hirsch, n.d., Portrait of two children, Cabinet card, tinted, Private collection of Richard O. Titus, LL/13319

Alfred D. Kissack (Eton, Windsor), n.d., Eton School thespian (unknown), Cabinet card, Private collection of T. Max Hochstetler, LL/34605

Elliott & Fry, n.d., Miss Eveleen Rayne, Cabinet card, Private collection of T. Max Hochstetler, LL/34603

Wilhelm Höffert, 1894 (autographed), Therese Malten, German soprano as Brunnhilde - "Der Ring des Nibelungen", Cabinet card, Private collection of T. Max Hochstetler, LL/29175

Georg Stüffler, n.d., Heinrich Vogl as "Tristan", Cabinet card, Private collection of T. Max Hochstetler, LL/19723

H. Rocher, n.d., Clara Louise Kellogg, American Soprano (1842-1916), Private collection of T. Max Hochstetler, LL/20417

Unidentified photographer, 1870 (ca), Zulu Warrior Chief, Albumen print, 7.5 in (19.05 cm) x 5.5 in (13.97 cm), Antiq-Photo, Courtesy of Anthony Davis (3eg762), LL/14994

Unidentified photographer, 1861-1865, Unidentified soldier in Union uniform with greatcoat in front of American flag, Ambrotype, 1/6 plate, hand-coloured, 9.7 x 8.5 cm (case), Library of Congress, Prints and Photographs Division, Liljenquist Family collection, Gift; Tom Liljenquist; 2010; (DLC/PP-2010:105), LL/42086

Unidentified photographer, 1861-1865, Unidentified soldier in Union uniform with revolver in holster in front of painted backdrop showing military camp, Tintype, 1/4 plate, hand-coloured, 11.9 x 9.4 cm (case), Library of Congress, Prints and Photographs Division, Liljenquist Family collection, Gift; Tom Liljenquist; 2010; (DLC/PP-2010:105), LL/42088

Unidentified photographer, 1861-1865, Unidentified soldier in Union uniform with sword in front of painted backdrop showing military camp scene, Tintype, 1/6 plate, hand-coloured, 9.3 x 8.2 cm (case), Library of Congress, Prints and Photographs Division, Liljenquist Family collection, Gift; Tom Liljenquist; 2010; (DLC/PP-2010:105), LL/42089

Camille Silvy, 1861, 21 July (probable date), Eugène Lejeune, Carte de visite, Paul Frecker, LL/12827

A. Jager, 1860 (ca), Fisherman With Basket, [Costumes of the Low Countries], Cabinet card, hand-coloured, 5.25 x 3.75 in (133 x 95 mm), Charles Schwartz Ltd, Courtesy of Charles Schwartz (#7468), LL/9499

Unidentified photographer / artist, n.d., Portrait of a seated older gentleman with a Brewster style stereoscope on the table., Carte de visite, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#20 / 172), LL/31520

Waltermire, 1870s (ca), Young lady posing in front of a decorative backdrop, Cabinet card, Private collection of John Toohey, LL/34311

Unidentified photographer / artist, 1880s (ca), Hawaiian Dining, Albumen print, 6.25 x 9.25 in, Carl Mautz Vintage Photographs, LL/25684

Unidentified photographer / artist, 1895-1900 (ca), Commanche Indian portrait of a standing woman in blanket with her baby on her back, Collodion print, sepia/brown, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: March 13, 2008, 51, part 2 / lot 86), LL/27716

E. & H.T. Anthony & Co., 1860s (mid), Pauline Cushman (1833 to 1893), Union spy in the American Civil War, Carte de visite, albumen print, 3 3/4 x 2 3/8 in (9.5 x 6 cm), KaufmaNelson Vintage Photographs, LL/24944

R L. Kelly (Hamilton), n.d., Tinsmiths [Canada], Cabinet card, Private collection of Steven Evans, LL/16548

Gilhausen (Warsaw, Illinois), n.d., Telegraph Linesmen with their gear, Cabinet card, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (48 / 165), LL/15319

Camille Silvy, 1860, Frederick Robson in Boots at the Swan, Carte de visite, Paul Frecker, LL/12774

Camille Silvy, 1860, Lady Galloway and family, Carte de visite, Paul Frecker, LL/12813

Camille Silvy, 1860, 10 October, Sir Roderick Murchison, Carte de visite, Paul Frecker, LL/12825

Unidentified photographer, 1880 (ca), Nude portrait, Albumen print, 5-7/8 x 7-3/4 in, Carl Mautz Vintage Photographs, Courtesy of Carl Mautz, LL/11981

Unidentified photographer, n.d., Frame maker, Tintype, carte de visite size, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (47 / 84), LL/11353

, 1860s, Unidentified, Carte de visite, Paul Frecker, LL/12913

Camille Silvy, 1862, 22 April, Misses Eleanor and Constance Williams, Carte de visite, Paul Frecker, LL/12846

G. Howard (Failsworth), n.d., Two women playing cards, Cabinet card, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#20 / 203), LL/31527

Camille Silvy, 1860s (ca), Duchess of Cambridge, Carte de visite, Private collection of Laurie Minor, LL/31399

Lewis (Lebanon, N.H.), 1870s (ca), Young lady posing in front of a decorative backdrop, Cabinet card, Private collection of John Toohey, LL/34310

Eugen Schmid (Marburg), n.d., Unknown costume portrait, Cabinet card, Private collection of T. Max Hochstetler, LL/34604

Unidentified photographer / artist, n.d., Mother and daughter, Ambrotype, Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (Skylight Gallery Catalog 27, October, 23, 2008 #34), LL/30943

Unidentified photographer / artist, n.d., Mother and daughter, Ambrotype, Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (Skylight Gallery Catalog 27, October, 23, 2008 #34), LL/30942

Alexandre Bertrand, n.d., Portrait of a standing woman holding a folio book, Daguerreotype, stereo, detail, Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren, LL/15610

Douglas (Edinburgh), 1870 (ca), Newhaven Fishwife (detail), Carte de visite, detail, Christopher Wahren Fine Photographs, Christopher Wahren Fine Photographs - Auction (Skylight Gallery Catalog 28,April 30, 2009, #37), LL/32294

Unidentified photographer / artist, 1870s (ca), A woman in kimono posed in front of an elaborately painted backdrop with seaside scene, Ambrotype, kiriwood case, 4 x 2.5 in (case), Christopher Wahren Fine Photographs, Christopher Wahren Fine Photographs - Auction (Skylight Gallery Catalog 28,April 30, 2009, #25), LL/32289

T. Enami, 1895 (ca), A Farmer and his Wife, Stereoview, half, detail, Private collection of Rob Oechsle, LL/26515

Unidentified photographer / artist, n.d., Pilgrim Going Up Fujiyama, Barry Singer Gallery, LL/2852

Baron Raimund von Stillfried, 1870 (ca), Shuttlecock over Mount Fuji, Japan, Albumen print, hand-tinted, 7.75 x 10.25 ins 198 x 262 mm, Antiq-Photo, Courtesy of Anthony Davis - Antiq-photo / Rainbow creations (www.19cPhoto.com - 3jc452), LL/8507

P. Klier, 1870 (ca), [Burmese lady], Albumen print, 200 x 140 mm (8 x 5.5 in), Bernard J. Shapero Rare Books, Courtesy of Bernard J Shapero Rare Books, LL/30129

Émile Gsell, 1866-1868, Untitled [information wanted], [Views of Indochina], Albumen print, Bassenge Photography Auctions, Courtesy of Bassenge, Berlin (Photography, Sale: 90, Lot: 4063, Dec 5, 2007), LL/25223

Wilhelm Burger, 1860-1870, Siamese man and woman (Siam), Albumen print, 16 x 21 cm, Dennis George Crow, Courtesy of Dennis George Crow (www.dennisgeorgecrow.com), LL/10472

Unidentified photographer, 1900, Studio Portrait of the Sultan Of Batjan (Dutch East Indies), Gelatin silver print, 14 x 19 cm, Dennis George Crow, Courtesy of Dennis George Crow (www.dennisgeorgecrow.com), LL/10475

Félix Bonfils, 1880 (ca), [Prince of Lebanon's Daughter]. Fille de Prince du Liban, Albumen print, 70 x 220 mm (10.5 x 8.5 in), Bernard J. Shapero Rare Books, Courtesy of Bernard J Shapero Rare Books, LL/30136

A. Bertrand, 1865 (ca), Young black servant [Jeune servante noire], Carte de visite, Private collection of Michel Mégnin, LL/29466

Ermé Desiré, 1865 (ca), Arab father and son in front of idyllized painted backdrop, Carte de visite, Christopher Wahren Fine Photographs, LL/28701

Zangaki Brothers, 1870-1880 (ca), Groupe de femmes de harem (no 825), Papier albuminé d'après négatif sur verre au collodion, 22.5 x 28.5 cm, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/7772

Félix Bonfils, 1880 (ca), Bédouines syriennes (no 644), Papier albuminé d'après négatif sur verre au collodion, 22 x 28 cm, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, Acquisition 1973, LL/7797

Unidentified photographer / artist, 1860s, Two Bedouin in front of a backdrop, Carte de visite, Private collection of John Toohey, LL/34328

Eugene Jacquet, 1870s (ca), Young lady in front of a decorative background, Carte de visite, Private collection of Michel Mégnin, LL/35225

Edward Anthony, n.d., Henry Wagar Halleck, Carte de visite, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (52 / 16), LL/31000

Unidentified photographer, 1860s, Civil War sailor, full-length studio portrait, facing front, seated in front of a painted backdrop showing nautical scene, right arm resting on table draped with an American flag, Tintype, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-USZC4-12359 (color film copy transparency), LL/37638

Unidentified photographer, 1870-1880 (ca), Father and possibly son in front of a Cliff House background, Tintype, 1/6 plate, Private collection of George C. Berticevich, LL/35566

Unidentified photographer, 1870-1880 (ca), Two ladies in front of a Cliff House background, Tintype, 1/6 plate, Private collection of George C. Berticevich, LL/35567

Unidentified photographer, 1896-1907, Two gents in front of a Cliff House background, Tintype, 1/6 plate, Private collection of George C. Berticevich, LL/35568

Unidentified photographer, n.d., Taking the Air at Rockaway Beach, Tintype, 1/4 plate, detail, 4.25 x 3.25 in (image), Christopher Wahren Fine Photographs, Christopher Wahren Fine Photographs - Auction (Skylight Gallery Catalog 28,April 30, 2009, #33), LL/32292

Winslow, NY, n.d., A man fishing in the studio with rod, reel and net., Cabinet card, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (47 / 175), LL/11371

Angelo Caccia (Le Havre), 1850s (active from), A young lady in a row boat, Cabinet card, Private collection of John Toohey, LL/34329

Unidentified photographer, 1900, Two men in Stanley Steamer runabout at Niagara Falls with painted backdrop, Tintype, 1/2 plate, Private collection of Andrew Daneman, LL/40998

Unidentified photographer, n.d., Up Up and Away - two top-hatted men in a mock balloon draped with flags, Tintype, Christopher Wahren Fine Photographs, Skylight Gallery (Auction #26), LL/28228

Nadar, 1860s (ca), Man on a Horse, Albumen print, from wet collodion negative, 17.00 x 22.30 cm (6 11/16 x 8 3/4 ins) (image), Cleveland Museum of Art, Gift of Robert Hershkowitz and Charles Isaacs, Accession No.: 1996.336, LL/40888

Notman & Sandham, 1880, Mr. David's group in carriage, Montreal, QC, Silver salts on paper mounted on paper - Albumen process, 10 x 15 cm, Notman Photographic Archives, McCord Stewart Museum, © McCord Museum, Notman Archive, II-56995, Purchase from Associated Screen News Ltd., LL/34440

1859, 23 December, Backgrounds - how to paint and arrange them, Magazine illustration, Google Books, LL/34542

1859, 23 December, Backgrounds - how to paint and arrange them, Magazine illustration, Google Books, LL/34543

1859, 23 December, Backgrounds - how to paint and arrange them, Magazine illustration, Google Books, LL/34544

1860, 20 January, Backgrounds - how to paint and arrange them, Magazine illustration, Google Books, LL/34545

Unidentified photographer / artist, 1900 (ca), German winter landscape, Photographic backdrop, 7 ft 6 in x 7 ft 10 ins, InstallationsAntiques, LL/34319

Unidentified photographer / artist, 1900 (ca), German domestic interior, Photographic backdrop, InstallationsAntiques, LL/34320

Unidentified photographer / artist, 1900 (ca), Spring landscape, Photographic backdrop, InstallationsAntiques, LL/34321

Unidentified photographer / artist, 1882, Fig. 4 Herr Schaarwachter's hanging system for backgrounds at his studio in Berlin, Book illustration, Google Books, LL/34506

1888, 10 February, Patent No: 362,390: Morgan's Improved Multiplex Photographic Background Frame, Magazine illustration, Google Books, LL/34553

1888, 10 February, Patent No: 362,390: Morgan's Improved Multiplex Photographic Background Frame (detail), Magazine illustration, Google Books, LL/34554

1888, 13 January, Patent No: 875,006. Lafayette W. Seavey: Supporting frame for photographic background., Magazine illustration, Google Books, LL/34555

1892, Caswell's Background Holder, Advert, Google Books, LL/35317

1892, Caswell's Background Holder, Advert, Google Books, LL/35318

1871, Advert for Bigelow's Revolving Background, Advert, Google Books, LL/34890

1871, Advert for Bigelow's Revolving Background, Advert, Google Books, LL/34891

Downing, Rea & Rauscher, 1881 (ca), [Operating Room of 3rd Street Gallery], Stereocard, California State Library, Record no: 001386795, LL/38273

1884, Lafayette W. Seavey, Advert, Google Books, LL/34499

1883, William Cargill, Photographic Material Importer, Advert, Google Books, LL/34497

1881, 10 October (advert) 1882 (publication), Lafayette W. Seavey, Backgrounds, Advert, Google Books, LL/34493

1881, Advert for Seavey's Studio, Studio 8, Lafayette Place, New York, Advert, Google Books, LL/34902

1871, Seavey's Latest Improved Rembrandt & Vignette Background, Advert, Google Books, LL/35814

1873, Advert in Spanish for Lafayette W. Seavey [Background painter], Advert, Google Books, LL/36231

1873, Advert in Spanish for Lafayette W. Seavey [Background painter]
 
, Advert, Google Books, LL/36229

1882, W.F. Ashe's Backgrounds and Accessories, Advert, Google Books, LL/34494

1866, W.A. Ashe & Co., Advert, Google Books, LL/34598

William James Topley, 1872, 7 October, Topley Studio advertisement in the Ottawa Free Press announcing the addition of four new backgrounds, Newspaper clipping, Library and Archives Canada, nlc-14833, LL/34322

Unidentified photographer / artist, 1856, 17 June, The Secret of Colouring Photographs on Glass, Journal page, Google Books, LL/34384

Thomas Le Clear, 1865 (ca), Interior with Portraits, Oil on canvas, 25 7/8 x 40 1/2 ins (65.7 x 102.9 cm), American Art Museum, Smithsonian Institution, Museum purchase made possible by the Pauline Edwards Bequest (1993.6), LL/35221

Pascal Adolphe Dagnan-Bouveret (artist, 1852-1929), 1878-1879, Wedding Party at the Photographer's Studio [Une Noce chez le Photograohe], Oil on canvas, 85 x 122 cm, Museum of Fine Arts / Musée des beaux-arts, Lyon, Inventory no: H 715, Joconde: 000PE027838, LL/44298