Josiah Johnson Hawes, n.d., The photographic wagon of J.J. Hawes, 19 Tremont Row Boston (Detail), Stereocard, Archives of Modern Conflict OR National Gallery of Canada, LL/9834

Roger Fenton, 1855, The artist's van [The photographic van with Sparling on the box], Salt paper print, 17.5 x 16.5 cm, Library of Congress, Prints and Photographs Division, LC-USZC4-9240 - PH - Fenton (R.), no. 122 (A size) [P&P], LL/8175

Roger Fenton, 1855, 10 November, Mr. Fenton's Photographic Van. - From the Crimean Exhibition, Magazine illustration, The Courtauld Institute of Art, Copyright: Illustrated London News Ltd. All rights reserved, Gale Document Number: HN3100442890, LL/36711

Roger Fenton, 1855, 10 November, Mr. Fenton's Photographic Van. - From the Crimean Exhibition, Magazine illustration, The Courtauld Institute of Art, Copyright: Illustrated London News Ltd. All rights reserved, Gale Document Number: HN3100442890, LL/36712

Roger Fenton, 1855, Cooking house, 8th Hussars, Salted paper print, 16 x 21 cm, Library of Congress, Prints and Photographs Division, LC-USZC4-9344, LL/36820

Roger Fenton, 1855, Cooking house, 8th Hussars, Salted paper print, 16 x 21 cm, Library of Congress, Prints and Photographs Division, LC-USZ62-47542, LL/36821

Mathew Brady's Studio, 1862, Brady Gallery photographic team for the Civil War, Berlin, Maryland, Albumen print, Private collection of Larry West, Courtesy of Larry J. West, © West Companies, Inc., 2005. [From the book: Tokens of Affection and Regard], LL/8597

Mathew Brady's Studio, 1862, 28 October, Brady Gallery photographic team for the Civil War, Berlin, Maryland, Albumen print, Source requested, LL/43005

Mathew Brady's Studio, 1864, Brady's photographic outfit in the field near Petersburg, Va., Albumen print, National Archives and Records Administration, 111-B-5077, LL/35275

Timothy H. O'Sullivan, n.d., View of the Petersburg Gas Works [Detail], [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 81], Albumen print, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (47 / 213), LL/11463

Timothy H. O'Sullivan, 1862, New bridge built by McDowell's engineers, Bull Run, VA, Albumen print, Library of Congress, Prints and Photographs Division, Ref: 00237u, LL/42991

Timothy H. O'Sullivan, 1865, Petersburg, Va. Mills; photographic wagon of Engineer Dept. in foreground, Stereograph, glass, wet collodion, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-DIG-cwpb-00613 (digital file from original neg.) LC-B8171-1105 (b&w film neg.), Call Number: LC-B815- 1105 [P&P], LL/61350

Timothy H. O'Sullivan, 1863, November, Approach to town, Culpepper, VA, Albumen print, Library of Congress, Prints and Photographs Division, Ref: 01074u, LL/42996

Timothy H. O'Sullivan, 1865, Petersburg, Va. Mills; photographic wagon of Engineer Dept. in foreground, Stereograph, glass, wet collodion, detail, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-DIG-cwpb-00613 (digital file from original neg.) LC-B8171-1105 (b&w film neg.), Call Number: LC-B815- 1105 [P&P], LL/61351

Alexander Gardner, n.d., Photography wagon, with Alexander Gardiner seated in the middle, Albumen print, This work is out of copyright, LL/35273

Samuel A. Cooley, 1863 (ca), Sam Cooley - photographer, employees, and working apparatus, Albumen print, Library of Congress, Prints and Photographs Division, Ref: 03518u, LL/43000

Samuel A. Cooley, n.d., Sam A. Cooley, Field Dark-Room, Albumen print, This work is out of copyright, LL/35274

Samuel A. Cooley, 1864, Savannah, Georgia (vicinity). View of Fort McAllister and Cooley's photographic tent, 1 negative (2 plates) : glass, stereograph, wet collodion, Library of Congress, Prints and Photographs Division, LC-DIG-cwpb-03484 (digital file from original neg. of left half) LC-DIG-cwpb-03483 (digital file from original neg. of right half), LL/36097

George N. Barnard, 1862, March, Sudley Church on hill, and the remains of the Sudley Sulphur Spring house on the rigfht, Bull Run Creek, Cathapin Run, VA, Albumen print, Library of Congress, Prints and Photographs Division, Ref: 00956v, LL/42994

Unidentified photographer, 1862, 4 July, Our Photographer, Manassas, VA, Albumen print, Library of Congress, Prints and Photographs Division, Ref: 00167u, LL/42986

Unidentified photographer, 1864-1865, Photographer's wagon and developing tent, Cold Harbor VA, Albumen print, Library of Congress, Prints and Photographs Division, Ref: 01728v, LL/42998

Unidentified photographer, 1864, Photographer, wagon, observation tower, Bermuda Hundred, VA, Albumen print, Library of Congress, Prints and Photographs Division, Ref: 01831u, LL/42999

Thomas C. Roche, 1861-1865 (ca), Civil War Photographers Van, Photograph, detail, Private collection of Clark and Joan Worswick, LL/50715

Timothy H. O'Sullivan, 1867, Timothy O'Sullivan's ambulance wagon and portable darkroom used during the King Survey rolls across the sand dunes of Carson Desert, Nev., Albumen print, National Archives and Records Administration, Call Number: LOT 7096, no. 107, LL/35266

Timothy H. O'Sullivan, 1867, Timothy O'Sullivan's ambulance wagon and portable darkroom used during the King Survey rolls across the sand dunes of Carson Desert, Nev., National Archives and Records Administration, 77-KS-346O, LL/35226

Timothy H. O'Sullivan, 1869, June, Shifting Sand-Mounds, Magazine illustration, Google Books, LL/34787

T.A. Aldrich, n.d., Backmark on a stereocard showing a photographic waggon., Stereoview, detail, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tues. August 29th & Thurs. August 31st, 2006, # 06-3, Lot 887), LL/13882

H. Gurlitz, 1860s (ca), Harry Gurlitz's Photograph Gallery, Carte de visite, Private collection of Laddy Kite, LL/35887

Carleton E. Watkins, n.d., B 3542. Primitive Mining. the Rocker. Calaveras Co., Cal., [New Boudoir Series], Boudoir card, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim - Be-Hold (47 / 186), LL/11455

Carleton E. Watkins, n.d., Railroad Ferry "Solano" with Watkin's Photo Wagon, Albumen print, mammoth, 15 x 22 in, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: March 13, 2008, 51, part 2 / lot 92), LL/27725

Carleton E. Watkins, n.d., Railroad Ferry "Solano" with Watkin's Photo Wagon (detail), Albumen print, mammoth, 15 x 22 in, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: March 13, 2008, 51, part 2 / lot 92), LL/27726

C.R. Savage, 1860s (?), C.R. Savage's photo wagon in the desert, south of St. George Utah, Stereocard, Private collection of Bill Lee, LL/37141

C.R. Savage, 1860s (?), C.R. Savage's photo wagon in the desert, south of St. George Utah., Stereocard, detail, Private collection of Bill Lee, LL/37142

William Henry Jackson, n.d., 104. Rocks near Platte Canyon., [Hayden Geological Survey of the Territories], Stereoview, Jeffrey Kraus Antique Photographics, LL/37788

William Henry Jackson, n.d., 104. Rocks near Platte Canyon., [Hayden Geological Survey of the Territories], Stereoview, detail, Jeffrey Kraus Antique Photographics, LL/37789

William Henry Jackson, 1870, 621. Red Sandstones near Platte Canon., Carte de visite, detail, Jeffrey Kraus Antique Photographics, LL/37871

William Henry Jackson, 1870, 621. Red Sandstones near Platte Canon., Carte de visite, detail, Jeffrey Kraus Antique Photographics, LL/37872

Alexander Gardner, 1867 (published), Photographic outfit, 309 miles west of St. Louis, Mo., [Across the Continent on the Union Pacific Railway, Eastern Division], Stereocard, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-DIG-stereo-1s00027 (digital file from original photo, front) LC-DIG-stereo-2s00027 (digital file from original photo, back) LC-USZ6-4358 (b&w film copy neg. of full stereo) LC-USZ6-15 (b&w film copy neg. of half stereo), Call Number: LOT 2775, no. 27 [item] [P&P], LL/61347

Alexander Gardner, 1867 (published), Photographic outfit, 309 miles west of St. Louis, Mo., [Across the Continent on the Union Pacific Railway, Eastern Division], Stereocard, detail, Library of Congress, Prints and Photographs Division, Reproduction Number: LC-DIG-stereo-1s00027 (digital file from original photo, front) LC-DIG-stereo-2s00027 (digital file from original photo, back) LC-USZ6-4358 (b&w film copy neg. of full stereo) LC-USZ6-15 (b&w film copy neg. of half stereo), Call Number: LOT 2775, no. 27 [item] [P&P], LL/61348

Theodore Lilienthal, n.d., Theo. Lilienthal Photo Wagon on Canal Street, New Orleans, [New Orleans Scenery], Stereoview, Cowan's Auctions, Inc, Wes Cowan Stereoview Auction, 30 March 2015, Lot: 145, LL/58642

Theodore Lilienthal, n.d., Theo. Lilienthal Photo Wagon on Canal Street, New Orleans, [New Orleans Scenery], Stereoview, detail, Cowan's Auctions, Inc, Wes Cowan Stereoview Auction, 30 March 2015, Lot: 145, LL/58643

Unidentified photographer / artist, n.d., Photographer's dark wagon with black boy standing by its side, Stereoview, hand-tinted, Jeffrey Kraus Antique Photographics, LL/37800

Unidentified photographer / artist, n.d., Photographer's dark wagon with black boy standing by its side, Stereoview, detail, hand-tinted, Jeffrey Kraus Antique Photographics, LL/37801

H.H. Bennett, 1870s, No. 135 Gates Ravine, [A Trip Through the Dells of the Wisconsin River], Stereoview, Private collection of Ken Burkhart, LL/39411

H.H. Bennett, 1870s, No. 135 Gates Ravine, [A Trip Through the Dells of the Wisconsin River], Stereoview, half, Private collection of Ken Burkhart, LL/39412

H.H. Bennett, 1870s, No. 135 Gates Ravine, [A Trip Through the Dells of the Wisconsin River], Stereoview, detail, Private collection of Ken Burkhart, LL/39413

H.H. Bennett, 19th century, H.H. Bennett With Wet Plate Outfit, Gelatin silver print, Museum of Photographic Arts - MOPA, Gift of Jack and Beverly Waltman, Accession Number: 2008.044.008, LL/45342

Unidentified photographer, n.d., R.R. Bridge, Cincinnati, Ohio., [American Views. Peoples' Series], Stereoview, Jeffrey Kraus Antique Photographics, LL/37826

Unidentified photographer, n.d., R.R. Bridge, Cincinnati, Ohio., [American Views. Peoples' Series], Stereoview, detail, Jeffrey Kraus Antique Photographics, LL/37827

Henry Beaufoy Merlin (1830-1873) or Charles Bayless (1850-1897), 1872 (ca), View of buildings and Beaufoy Merlin's mobile photographic studio standing in Mudgee Road, Tambaroora, New South Wales, Albumen print, 6 x 9.4 ins, National Library of Australia, nla.pic-vn4732019, LL/39402

Henry Beaufoy Merlin (1830-1873) or Charles Bayless (1850-1897), 1872 (ca), Dead tree trunk with pigeoncotes suspended by local storekeepers, and the horse-drawn mobile photographic studio of Beaufoy Merlin to the left, Mudgee Road, Tambaroora, New South Wales, Albumen print, 6 x 9.5 cm, National Library of Australia, nla.pic-vn4733862, LL/39403

A. Nott, n.d., Back of carte de visite from A. Nott's, Photograph Car, Carte de visite, back, Private collection of Alan Griffiths, LL/36598

A. Nott, n.d., Back of carte de visite from A. Nott's, Photograph Car, Carte de visite, back, detail, Private collection of Alan Griffiths, LL/36599

S.R. Miller, n.d., Back of carte de visite from S.R. Miller's, Photograph Car, Carte de visite, back, Private collection of Alan Griffiths, LL/36840

Unidentified photographer / artist, 1863, 15 December, Photographic van - British Army, Magazine page, Google Books, LL/35167

Unidentified photographer / artist, 1863, 15 December, Dark tent designed by Mr. Smartt - British Army, Magazine page, Google Books, LL/35168

James Mudd, 1860, 15 March, Mr James Mudd encounters a photographic van in Wales, Magazine page, Google Books, LL/35169

Unknown author, 1875, 26 February, A photographic van or house on wheels, Magazine page, Google Books, LL/35170

Mathew Brady's Studio, 1863, Mr Brady's Photographic Van in the panic from Centreville, Book page, Google Books, LL/35171

Unknown author, 1861, 2 December, Poisoning by Cyanide of Potassium, within a Photographic Van, Magazine page, Google Books, LL/35172

Thomas Sutton, 1874, 7 August, Wanted, a good strong photographic van upon four wheels, Magazine page, Google Books, LL/35173