Chase's Daguerreotype Rooms (Boston), n.d., Chase's Dauerreotype Rooms, 257 Washington Street, Boston, Archives of Modern Conflict OR National Gallery of Canada, LL/9892

Unidentified photographer / artist, n.d., A Daguerreian photographic studio., Bottle label, Archives of Modern Conflict OR National Gallery of Canada, LL/9699

Unidentified photographer / artist, n.d., An original bottle of "rotten stone" from the Daguerreian era., Bottle, Archives of Modern Conflict OR National Gallery of Canada, LL/9700

Unidentified photographer / artist, n.d., An anonymous early photographer, Archives of Modern Conflict OR National Gallery of Canada, LL/9820

Unidentified photographer / artist, n.d., An anonymous early photographer, Archives of Modern Conflict OR National Gallery of Canada, LL/9821

Unidentified photographer / artist, n.d., An anonymous early photographer, Archives of Modern Conflict OR National Gallery of Canada, LL/9822

T.H. M'Bride, n.d., Advertising card for T.H. M'Bride, Photographic Artist, Advertising card, Archives of Modern Conflict OR National Gallery of Canada, LL/9869

Richard Beard, 1843, 19 August, The photographic process at Mr. Beard's establishment, Parliament-street, Westminster, Magazine illustration, The Courtauld Institute of Art, Copyright: Illustrated London News Ltd. All rights reserved, Gale Document Number: HN3100007572, LL/36684

O.H. Willard, 1855 (ca), Séance de pose chez un photographe, Aquarelle, papier calque [Water colour, on translucent paper], Musée d'Orsay, (C) RMN (Musée d'Orsay) / Jean-Gilles Berizzi, Europeana Identifier: RMNDO000000451496 ; PHO1996-8-10, LL/42653

Unidentified photographer, 1865 (ca), Display of Photographic Studio Equipment, Tintype, 1/4 plate, hand-coloured, Cornell University Library, LL/44751

Robert Cornelius, 1864 (publication), Fig. 8 (the use of reflectors by Robert Cornelius in Philadelphia), Engraving, Google Books, LL/34860

Unidentified photographer / artist, 1853, [A studio arrangement], Book illustration, Google Books, LL/34649

Unidentified photographer / artist, n.d., An early display of photographic equipment, Archives of Modern Conflict OR National Gallery of Canada, LL/9825

Unidentified photographer / artist, n.d., An early display of photographic equipment (Detail showing photographer in the lens), Archives of Modern Conflict OR National Gallery of Canada, LL/9826

Unidentified photographer / artist, 1853 (publication), The Daguerreotypist, Engraving, Google Books, LL/34415

Unidentified photographer / artist, 1854 (entered according to Act of Congress), Two Daguerreotypes, Magazine page, Google Books, LL/34418

Unidentified photographer / artist, n.d., Untitled image showing two men at a studio portraiture sitting, Stereocard, detail, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tue, Dec 12, 2006 & Thu, Dec 14, 2006, # 06-4, Lot 78), LL/15802

Mathew B. Brady, 1854 (ca), [Brady's Daguerrean Gallery], Daguerreotype, 1/2 plate, Library of Congress, Prints and Photographs Division, DAG no. 030, LC-USZ62-109858 DLC (b&w film copy neg. post-1992), LL/33477

Mathew B. Brady, 1853, 11 June, Brady's New Daguerreotype Saloon ("Illustrated News", New York: June 11, 1853), Magazine page, Cornell University Library, LL/44757

Mathew B. Brady, 1853, 11 June, Brady's New Daguerreotype Saloon ("Illustrated News", New York: June 11, 1853), Magazine page, Cornell University Library, LL/44758

Mathew B. Brady, 1860 (ca), Mathew Brady Sample Book, Sample book, Cornell University Library, LL/44759

Jeremiah Gurney, 1854, Daguerrean Sketches in New York [Interior of J. Gurney's daguerreian gallery at 349 Broadway, New York], Engraving, Daguerreian Society, Courtesy of the Daguerreian Society (www.daguerre.org), LL/6764

Meade Brothers Studio, 1853, 5 February, Interior view of Meade Brothers' Daguerreotype Gallery, Broadway, New York, Magazine illustration, Archive Farms, LL/38879

n.d., Advertisement for L.H. Griffin's Ambrotype and Photograph Rooms, 268 Washington St. Boston., Advert, Archives of Modern Conflict OR National Gallery of Canada, LL/9842

Eugène Trutat, 1860 (ca), Ego [Eugène Trutat], atelier Vidal [Toulouse], Glass negative, Bibliothèque de Toulouse, Cote: TRU C 1172, LL/39451

Unidentified photographer, 1870 (ca), Photographer with his equipment and work, Carte de visite, Interencheres - La Gallerie de Chartes, Collection Henry Koilski (Galerie de Chartres, Auction, 8 October 2011, Lot: 53), LL/44261

Olds, n.d., Mr. Olds - an eccentric self portrait, Carte de visite, Archives of Modern Conflict OR National Gallery of Canada, LL/9815

C.W. Applegreen, n.d., C.W. Applegreen creates a composite photograph for a CDV, Carte de visite, Archives of Modern Conflict OR National Gallery of Canada, LL/9817

Unidentified photographer / artist, 1860, The Sitting, Book plate, Google Books, LL/34435

Oscar Gustave Rejlander, 1869, 18 June, Mr. Rejlander's New Studio, Magazine illustration, Google Books, LL/34594

F. Carlier, 1870 (ca), Camera, chemicals and equipment, Carte de visite, Interencheres - La Gallerie de Chartes, Collection Henry Koilski (Galerie de Chartres, Auction, 8 October 2011, Lot: 53), LL/44262

Unidentified photographer / artist, n.d., An anonymous early photographer, Carte de visite, Archives of Modern Conflict OR National Gallery of Canada, LL/9823

Unidentified photographer / artist, 1864 (published), Fig. 23. Le laboraitoire de M. Niépce de Saint-Victor, Engraving, Google Books, LL/34349

Unidentified photographer / artist, 1864 (published), Fig. 53. Atelier de pose pour la photographie, Engraving, Google Books, LL/34351

Unidentified photographer / artist, 1868, Portraits, Book illustration, Google Books, LL/34514

Unidentified photographer / artist, 1868, Portraits, Book illustration, Google Books, LL/34515

Camille Silvy, 1862 (ca), Camille Silvy's photographic studio, 38 Porchester Terrace [London, GB], Albumen print, 3 3/8 x 2 3/4 ins, Creative Commons - Wikipedia, National Portrait Gallery, London: NPG Ax58962, LL/33117

Camille Silvy, 1862 (ca), Camille Silvy's photographic studio, 38 Porchester Terrace [London, GB], Albumen print, 3 3/8 x 4 1/8 ins, Creative Commons - Wikipedia, National Portrait Gallery, London: NPG Ax58964, LL/33118

D.A. Woodward, n.d., Woodward Improved Enlarger, Cyanotype, Archives of Modern Conflict OR National Gallery of Canada, LL/43794

D.A. Woodward, n.d., Schtucket, showing a solar enlarger, Stereoview, half, detail, Archives of Modern Conflict OR National Gallery of Canada, LL/43787

D.A. Woodward, n.d., Woodward Improved Enlarger, Illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/43792

Unidentified photographer / artist, 1863, Fig. 86. - Coupe de l'atelier vitré, Book illustration, Google Books, LL/34832

Unidentified photographer / artist, 1863, Fig. 87. - Atelier vitré dans l'hypothÞse de la figure 84, Book illustration, Google Books, LL/34833

Unidentified photographer / artist, 1863, Fig. 88. - Atelier vitré de petite dimension, Book illustration, Google Books, LL/34834

E.H. Train, 1870-1875, Untitled (Studio of E.H. Train), Stereoview, Stereoviews: Stereoviews and Fine 19th & 20th Century Antique Photographs, LL/34736

E.H. Train, 1870-1875, Untitled (Studio of E.H. Train), Stereoview, detail, Stereoviews: Stereoviews and Fine 19th & 20th Century Antique Photographs, LL/34737

Unidentified photographer / artist, 1871, Studio interior, Book illustration, Google Books, LL/34878

Unidentified photographer / artist, 1871, Studio interior, Book illustration, Google Books, LL/34882

Alphonse J. Liébert, 1878, [Studio illustration with example portraits], Book illustration, Musée français de la Photographie, Inventory no: 90.7781.1, LL/42313

Alphonse J. Liébert, 1878, [Studio illustration with example portraits], Book illustration, Musée français de la Photographie, Inventory no: 90.7781.1, LL/42314

Alphonse J. Liébert, 1878, [Studio illustrations], Book illustration, Musée français de la Photographie, Inventory no: 90.7781.1, LL/42315

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

Unidentified photographer / artist, 1888, 17 August, "Inside Swinging Blinds for the Skylight" by Frank Robbins, Magazine page, Google Books, LL/34492

Unidentified photographer / artist, 1883, Photography studio with Electric Light, Book illustration, Google Books, LL/34504

Unidentified photographer / artist, 1883, Photography studio with Artificial Light, Book illustration, Google Books, LL/34505

H. Osterhout, n.d., Photographer with large camera on tripod holding lens cap, plates and case at his feet., Cabinet card, Jeffrey Kraus Antique Photographics, Courtesy of Jeffrey Kraus, LL/6247

Unidentified photographer / artist, 1884, Portrait studio set-up, Book illustration, Google Books, LL/34850

Unidentified photographer / artist, 1880, Fig.96 - Maniere de se servir de l'obturateur Cadett, Book illustration, Google Books, LL/34840

Unidentified photographer / artist, n.d., Interior of a photographic studio, Photograph, Internet - Original source ill-defined, Posted by Arnaud Pierre Botel to FB, 12 March 2015, LL/58597

Unidentified photographer / artist, 1887, American Model Glass-house, Book illustration, Google Books, LL/34864

Unidentified photographer / artist, 1887, A modified Model Glass-house, Book illustration, Google Books, LL/34865

Unidentified photographer / artist, 1887, J.H. Kent's Glass-house, Book illustration, Google Books, LL/34866

Unidentified photographer / artist, 1887, James Landy's Glass-house, Book illustration, Google Books, LL/34867

Unidentified photographer / artist, 1887, p.82 A Canadian Glass-house, Book illustration, Google Books, LL/34868

Charles Reutlinger, 1887, Charles Reutlinger's studio (Paris), Book illustration, Google Books, LL/34869

Unidentified photographer / artist, 1887, P.A. Mottu's Glass-house (Amsterdam), Book illustration, Google Books, LL/34870

E.J. Foss, 1887, Mr. E.J. Foss (Boston), Book illustration, Google Books, LL/34872

E.J. Foss, 1887, Mr. E.J. Foss (Boston), Book illustration, Google Books, LL/34871

Unidentified artist, 1881, Photography with electric light (Original title in Dutch: "Photographie bij Electrisch Licht"), Periodical illustration, Private collection of Jan Weijers (Servatius), LL/44189

Lewis H. Bissell, 1895 (ca), Photographer's Studio, Cabinet card, Carl Mautz Vintage Photographs, Courtesy of Carl Mautz, LL/11950

Frances Benjamin Johnston, 1900 (ca), Interior of Frances Benjamin Johnston's studio at 1332 V St. NW, Washington, D.C., showing a large camera and props arranged for a portrait, Cyanotype, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-DIG-ppmsc-04831 (digital file from original) LC-USZ62-83155 (b&w film copy neg.), LL/37110

Philipp Ritter Von Schoeller, 1894, September, Atelier: Des Herrn Philipp Ritter Von Schoeller, [Wiener Photographische Blätter: Herausgegeben Vom Camera-Club In Wien], Halftone, 15.00 x 11.4 cm, Photoseed, Photograph courtesy PhotoSeed.com, LL/12587

Marks Lewison, 1908, 20 July (taken), Untitled [Marks Lewison, photographer, taking photograph in studio], Cabinet card, detail, 17 x 11 cm, DeGolyer Library, South Methodist University - SMU, Southern Methodist University, Central University Libraries, DeGolyer Library, Call number: Ag2008.0005, LL/38150

Ignác Šechtl or Josef Jindrich Šechtl (uncertain), 1907, Interior of the Šechtl and Vosecek studio, Contact print possibly from 30 x 40 negative, 38 x 28 cm, Sechtl & Vosecek Museum of Photography, LL/49539

Wheeler (Berlin, Wis.), 1893 (ca), [A photographer appears to be photographing himself in a photographic studio], Photographic print, on card, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-USZ62-19393 (b&w film copy neg.), LL/48956

Arnold Genthe, 1906-1911, Interior of Arnold Genthe's studio on Clay Street in San Francisco, Autochrome, 5 x 7 ins, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-G41-CT-0031 (dup. color transparency), LL/48963

James L. Breese, 1890s (ca), The Carbon Studio of James L. Breese, Photograph, Internet - Original source ill-defined, Leon J. Podles blog - http://www.podles.org/ (Posted: 4 July 2015), LL/60588

James L. Breese, 1890s (ca), A room in the Carbon Studio of James L. Breese, Printed illustration, Internet - Original source ill-defined, Leon J. Podles blog - http://www.podles.org/ (Posted: 4 July 2015), LL/60589

Library of Congress (photographer), 1954, 6 August, Interior of L.C. Handy Studio, 494 Maryland Ave., SW, Washington, D.C., with glass negatives dating back to Mathew Brady in crumbling jackets stored in wood cubby holes, Photograph, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-DIG-ppmsca-03440 (digital file from original photo), LL/48961

Unidentified photographer / artist, n.d., Fig. 9 Cabinet noir [Photographic darkroom], Engraving, Google Books, LL/34336

Unidentified photographer / artist, 1864 (published), Fig. 43 Cabinet noir du photographe, éclairé par des carreaux jaunes [Photographic darkroom], Engraving, Google Books, LL/34335

Unidentified photographer / artist, 1882, Messrs. A. & G. Taylor enlarging room at Forrest Hill, London, Book illustration, Google Books, LL/34508

Unidentified photographer / artist, 1882, A City Phototype Establishment, Book illustration, Google Books, LL/34509

Unidentified photographer / artist, 1882, Messrs. Valentine and Sons glass room, Book illustration, Google Books, LL/34510

Unidentified photographer / artist, 1878, The Dark Room, Book illustration, Google Books, LL/34549

Heinemann (Chicago, Illinois), n.d., Heinemann, Photographer - with exterior and interior of the studio, Cabinet card, back, Private collection of Ken Burkhart, LL/42546

Heinemann (Chicago, Illinois), n.d., Heinemann, Photographer - Studio interior, Cabinet card, back, detail, Private collection of Ken Burkhart, LL/42548

D. Appleton, 1858-1860 (ca), Untitled image inside the Appleton Store, showing customers, staff, views, viewers, signs advertising views and viewers., Stereocard, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tue, Dec 12, 2006 & Thu, Dec 14, 2006, # 06-4, Lot 364), LL/15898

D. Appleton, 1858-1860 (ca), Untitled image inside the Appleton Store, showing customers, staff, views, viewers, signs advertising views and viewers., Stereocard, detail, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tue, Dec 12, 2006 & Thu, Dec 14, 2006, # 06-4, Lot 364), LL/15899

Unidentified photographer / artist, n.d., Untitled image showing a display case in a photo-studio business, a Holmes-Bates style scope seen on the case, Stereocard, detail, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tue, Dec 12, 2006 & Thu, Dec 14, 2006, # 06-4, Lot 70), LL/15799