Hugh Lee Pattinson, 1840, April, Niagara Falls, Daguerreotype, whole plate, 6.5 x 8.5 ins, Newcastle University Library - Special Collections, LL/33473

Unidentified photographer, 1845 (ca), [Falls of Niagara], Calotype, St. Andrews University Library, Special Collections / The Photographic Collection, Record: ALB-6-96-1, LL/40238

Unidentified photographer, 1848, The Tioga, a Steam Locomotive on a Trestle Bridge, with Niagara Falls in the Background, Daguerreotype, stereo, National Museum of American History, Smithsonian Institution, Behring Center, Division of Information Technology and Communications, Photographic History Collection, Image No. AFS 148, LL/36185

Southworth & Hawes, 1850 (ca), Niagara Falls from the Canadian Side, Daguerreotype, 21.6 x 16.5 cm (8 1/2 x 6 1/2 ins), Metropolitan Museum of Art, Gift of I. N. Phelps Stokes, Edward S. Hawes, Alice Mary Hawes, and Marion Augusta Hawes, 1937, Accession Number: 37.14.7, LL/40621

Platt D. Babbitt, 1854, Niagara Falls, Daguerreotype, hand-coloured, National Museum of American History, Smithsonian Institution, Behring Center, Division of Information Technology and Communications, Photographic History Collection, Image No. AFS 141, LL/36184

Platt D. Babbitt, 1850-1860, Niagara Falls from Prospect Point, Daguerreotype, whole plate, 16.6 x 21.7 cm (plate) 13.5 x 18.6 cm (image, sight), National Gallery of Canada / Musée des beaux-arts du Canada, Courtesy of the National Gallery of Canada (no. 30584), Gift of Phyllis Lambert, Montreal, 1988, LL/6680

Platt D. Babbitt, 1855, Tourists Viewing Niagara Falls from Prospect Point, Daguerreotype, 10.70 x 13.90 cm, National Galleries of Scotland, Courtesy of the National Galleries of Scotland (Accession no. PGP R 14), Gift of Mrs. Riddell in memory of Peter Fletcher Riddell 1985, LL/6821

Platt D. Babbitt, 1853, July, [Joseph Avery stranded on rocks in the Niagara River], Daguerreotype, Library of Congress, Prints and Photographs Division, DAG no. 1165, LL/7320

Platt D. Babbitt, 1860 (ca), Niagara Falls, Ambrotype, whole plate, ruby glass, Charles Schwartz Ltd, Charles Schwartz Ltd. (#8257), LL/10769

Platt D. Babbitt, n.d., Whirlpool Scenery - Niagara River, Glass stereo view, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 294), LL/11195

Platt D. Babbitt, n.d., Suspension Bridge over Niagara River, Glass stereo view, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 295), LL/11196

Platt D. Babbitt, n.d., Suspension Bridge over Niagara River, Glass stereo view, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 296), LL/11197

Platt D. Babbitt, 1860, 17 Sept, Prince of Wales at Prospect Point (Niagara Falls), Stereoview, detail, Private collection of Richard O. Titus, LL/32707

Platt D. Babbitt, 1863, 25 October (probably), Admiral and officers of the Russian fleet. Point View. Niagara Falls, Stereoview, detail, Private collection of Richard O. Titus, LL/32708

Platt D. Babbitt, 1860, 15 August, Signor Farini's Rope Ascension over Niagara River, Stereoview, glass, Larry Gottheim, Be-hold, Inc, LL/32709

Platt D. Babbitt, 1860, 15 August, Signor Farini's Rope Ascension over Niagara River (detail), Stereoview, glass, detail, Larry Gottheim, Be-hold, Inc, LL/32710

Platt D. Babbitt, 1855 (ca), Tourists Viewing Niagara Falls from Prospect Point, Daguerreotype, whole plate, with applied color, George Eastman Museum, LL/33089

Platt D. Babbitt, 1855 (ca), Vue des chutes du Niagara, Daguerreotype, 1/2 plate, Sotheby's - Paris, Courtesy of Sotheby's Paris (Photographs, Fri, 20 Nov 09, 4:00 PM, PF9027, Lot 138), LL/33737

Southworth & Hawes, 1856, The Niagara Suspension Bridge, Daguerreotype, full plate, 21.5 x 16.5 cm, George Eastman Museum, © 2004 George Eastman House, LL/6404

Southworth & Hawes, 1855, Mar 8, The Niagara Suspension Bridge, Daguerreotype, full plate, 21.5 x 16.5 cm, George Eastman Museum, © 2004 George Eastman House, LL/6405

W. & F. Langenheim, n.d., Niagara Falls, "Edge of Horseshoe Falls", Stereographs, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#15 / 214), LL/11069

Unidentified photographer, 1850s (ca), Niagara Falls, Daguerreotype, whole plate, Lee Gallery, Courtesy of Lee Gallery (X1614), LL/13966

William England, n.d., No. 87 - the Niagara Suspension Bridge, interior view, [North American Series by William England], Stereocard, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#13 / 307), LL/11294

William England, n.d., No. 150 - the Niagara Suspension Bridge, U. S., [North American Series by William England], Stereocard, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#13 / 308), LL/11295

Unidentified photographer / artist, n.d., A carriage in front of Niagara Falls, Ambrotype, whole plate, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#17 / 137), LL/17453

J. McPherson, n.d., Blondin crossing Niagara Falls on the high wire, Stereoview, glass, detail, Jeffrey Kraus Antique Photographics, LL/37838

Unidentified photographer / artist, n.d., Portrait of a man seated in an Adirondack style chair with Niagara Falls in the background, Ambrotype, whole plate, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#15 / 125), LL/11048

Unidentified photographer, n.d., [A couple being photographed at Niagara Falls], Ambrotype, Private collection of Jack and Beverly Wilgus, LL/54057

Unidentified photographer / artist, n.d., Niagara Falls, Carte de visite, Private collection of Laddy Kite, LL/35990

Alexander Henderson, 1860s (ca), Falls of Niagara, Albumen print, from wet collodion negative, 19.00 x 24.20 cm (7 7/16 x 9 1/2 ins) (image), Cleveland Museum of Art, John L. Severance Fund, Accession No.: 1993.25, LL/40876

William Notman, 1869, Horseshoe Falls from above, Niagara, ON, Silver salts on glass - Wet collodion process, 20 x 25 cm, McCord Stewart Museum, © McCord Museum, I-37300, LL/40680

George Barker, 1888 (ca), Niagara in Summer, from Below, Combination print, 50.2 x 41.9 cm (19 3/4 x 16 1/2 in), American Art Museum, Smithsonian Institution, Museum purchase from the Charles Isaacs Collection made possible in part by the Luisita L. and Franz H. Denghausen Endowment, LL/7545

George Barker, 1880 (ca), 9. Rock of Ages Cave of the Winds, Albumen print, 9.5 x 7.75 in (24 x 20 cm), Christopher Wahren Fine Photographs, LL/19952

George Barker, 1888 (ca), The Falls in Winter, Albumen print, 41.3 x 48.2 cm (16 1/4 x 19 in), American Art Museum, Smithsonian Institution, Museum purchase from the Charles Isaacs Collection made possible in part by the Luisita L. and Franz H. Denghausen Endowment, LL/7546

George Barker, 1890 (ca), Niagara in Winter, Printing out paper, 7.75 x 9.75 in (20 x 25 cm), Christopher Wahren Fine Photographs, LL/19951

George Barker, 1890 (ca), Niagara Falls, Snow Shed, Albumen print, 7 1/2 x 9 1/2 ins, Stephen Bulger Gallery, Courtesy of Stephen Bulger Gallery, LL/34158

George Barker, 1895, Samuel John Dixon Crossing Niagara Falls Below the Great Cantilever Bridge, Albumen prints, stereoscopic, 8.10 x 7.70 cm, National Galleries of Scotland, Courtesy of the National Galleries of Scotland (Accession no. PGP R 860), Gift of Mrs. Riddell in memory of Peter Fletcher Riddell 1985, LL/6822

George Barker, n.d., [Niagara Falls showing a distant view of a wire walker], [Premium Views by Geo. Barker], Stereocard, cabinet size, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#14 / 288), LL/11194

B.R. Leech, 1890 (ca), Pair of Niagara Falls Folk Art Souvenir Frames with inserted Carte de Visites, Albumen print, mounted to Carte de Visite (trimmed), 3 1/4 x 2 1/2 ins, Stephen Bulger Gallery, Courtesy of Stephen Bulger Gallery, LL/34159

Photo Specialty Co., 1911, Bobby Leach and his Barrel, Gelatin silver print, Real photo postcard, 5 1/4 x 3 1/4 ins, Stephen Bulger Gallery, Courtesy of Stephen Bulger Gallery, LL/34142

Unidentified photographer, 1880s, Three people with a Niagara Falls background, Tintype, 1/4 plate, multiple exposure, Private collection of Andrew Daneman, LL/41368

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

J. Zybach & Co., 1900 (ca), Undaunted by the Waves, Printing out print, 9 x 7 in (print), Christopher Wahren Fine Photographs, Christopher Wahren Fine Photographs - Auction (Skylight Gallery Catalog 28,April 30, 2009, #81), LL/32307

J. Zybach & Co., 1900 (ca), Undaunted by the Waves (detail), Printing out print, 9 x 7 in (print), Christopher Wahren Fine Photographs, Christopher Wahren Fine Photographs - Auction (Skylight Gallery Catalog 28,April 30, 2009, #81), LL/32308

Unidentified photographer, 1930s (ca), Rapids below Niagara Falls, Gelatin silver print, Private collection of John Toohey, LL/37374

Unidentified photographer / artist, 1953 (ca), Film poster for Niagara starring Marilyn Monroe (1953), Film poster, Source requested, [Information requested on the source], LL/6982

Unidentified photographer / artist, 1845, Niagara Falls, Book page, Google Books, LL/35205

Unidentified photographer / artist, 1854, A Student Tramp to Niagara Falls, Magazine page, Google Books, LL/34425

Unidentified photographer / artist, 1855, Niagara falls, Book page, Google Books, LL/35211

Platt D. Babbitt, 1855, The American Fall, Book page, Google Books, LL/34427