Pierre-Ambroise Richebourg, 1845 (ca), 2 coupes de projet d'un même édifice, dessins de l'architecte H.Durand, Daguerreotype, 11.8 x 15.5 cm, Musée d'Orsay, (C) RMN (Musée d'Orsay) / Hervé Lewandowski, Europeana Identifier: RMNDO000000660272 ; PHO2005-1-2, LL/42657

Édouard Baldus, 1851-1852 (ca), Le Louvre, Pavillon de l'Horloge, Salt print, 10 3/4 x 8 1/4, Charles Nes Photography LLC New York - Paris, LL/5743

Édouard Baldus, 1853 (ca), Arles, Amphithéatre, Albumen print, 13 1/2 x 17 1/2, Charles Nes Photography LLC New York - Paris, LL/5741

Édouard Baldus, 1858 (ca), The Louvre, Salt print, 17 1/4 x 13 3/16 in, Lee Gallery, Courtesy of Lee Gallery (www.leegallery.com), LL/3139

Gustave Le Gray, 1856 (ca), Musée des Beaux-Arts, Le Havre, Albumen print, from wet collodion negative, 12 9/16 x 16 1/2, Charles Isaacs Photographs, Inc, LL/4172

Gustave Le Gray, 1859, Mollien Pavilion, the Louvre, Albumen print, 14 7/16 x 18 7/8, J. Paul Getty Museum, © J. Paul Getty Trust [90.XM.72], LL/6047

Henri Le Secq, 1852, [Large Figures on the North Porch, Chartres Cathedral], Salted paper print from paper negative, 32.8 x 22.1 cm (12 15/16 x 8 11/16 in), Metropolitan Museum of Art, Purchase, The Howard Gilman Foundation and Harriette and Noel Levine Gifts, Samuel J. Wagstaff Jr. Bequest, and Rogers Fund, 1990 (1990.1130), LL/6312

Charles Marville, 1853-1854, Cathedral de Chartres, [Religieux. Architecture. Sculpture. Peinture], Salt print, paper negative, 9 15/16 x 14 1/8 in, Lee Gallery, Courtesy of Lee Gallery (U1189), LL/13200

Charles Marville, 1860 (ca), Courtyard with Tables [City Hall, Angouleme, France], Albumen print, 10.75 x 14.75 in (28x38 cm), Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (eo101a), LL/13047

Charles Marville, 1860 (ca), Gate with Lampposts, Albumen print, 11 x 10.25 in (28x26 cm), Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (eo101b), LL/13048

Charles Marville, 1860 (ca), Interior Court, Albumen print, 10 x 14.75 in (25x37 cm), Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (eo101c), LL/13049

Charles Marville, 1860 (ca), View of Building, Albumen print, 14.25 x 10.75 in (37x28 cm), Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (eo101e), LL/13051

Charles Marville, 1865-1869, Place Maubert, Albumen print, from wet collodion negative, 14-1/2 x 8-1/4 in (369 x 210 mm), Charles Isaacs Photographs, Inc, Courtesy of Charles Isaacs (r1123), LL/11521

Charles Marville, 1865-1869, Quai de Montebello, Albumen print, from wet collodion negative, 8 15/16 x 14 7/16, Charles Isaacs Photographs, Inc, LL/4179

Charles Marville, 1865-1869, Rue de la Harpe, partie nord, Albumen print, from wet collodion negative, 12 5/16 x 10 9/16, Charles Isaacs Photographs, Inc, LL/4180

Charles Marville, 1865-1869, Rue de la Harpe, partie sud, Albumen print, from wet collodion negative, 8 11/16 x 13 7/8, Charles Isaacs Photographs, Inc, LL/4181

Charles Marville, 1865-1869, Rue de Poissy de la rue St. Victor, Albumen print, from wet collodion negative, 10 1/4 x 14 5/16, Charles Isaacs Photographs, Inc, LL/4182

Louis-Emile Durandelle, 1875-1881, Le Nouvel Opera de Paris. Sculpture Ornementale, Albumen print, 10 3/4 x 14 11/16, Lee Gallery, (T1259), LL/13379

Louis-Emile Durandelle, 1879, Bronzes, Albumen print, 14 3/4 x 9 5/8, Lee Gallery, (S2101), LL/13378

Louis-Emile Durandelle, 1879, Sculpture Ornementale, Albumen print, 8 1/4 x 11 in, Lee Gallery, Image courtesy of the Lee Gallery (www.leegallery.com), LL/3197

Eugène Atget, 1898 (ca), Hôtel de Châlons de Luxembourg, Nr. 3528, Albumen print, 8 3/4 x 7, Charles Nes Photography LLC New York - Paris, LL/5736

Eugène Atget, 1898 (ca), St. Julien Le Pauvre, Nr. 3537, Albumen print, 7 7/8 x 6 5/8, Charles Nes Photography LLC New York - Paris, LL/5740

Eugène Atget, 1900 (ca), Fontaine des Carmes, Nr. 3917, Albumen print, 8 5/8 x 7, Charles Nes Photography LLC New York - Paris, LL/5735

Eugène Atget, 1900 (ca), Hotel d'Argenson, rue de Grenelle 101. No 5469, Albumen print, 8 3/8 x 6 7/8 in, Lee Gallery, Courtesy of Lee Gallery (U1171), LL/12927

Thomas Annan, n.d., Title page for "the Old Closes & Streets of Glasgow", [The Old Closes & Streets of Glasgow (1900 edition)], Letterpress, Photoseed, Photograph courtesy PhotoSeed.com, LL/12200

Thomas Annan, 1868, 2 Old Vennel off High Street, [The Old Closes & Streets of Glasgow (1900 edition)], Photogravure, 21.6 x 17.2 cm, Photoseed, Photograph courtesy PhotoSeed.com, LL/12208

Thomas Annan, 1868, 7 Close No. 115 High Street, [The Old Closes & Streets of Glasgow (1900 edition)], Photogravure, 20.9 x 17.7 cm, Photoseed, Photograph courtesy PhotoSeed.com, LL/12214

Thomas Annan, 1868, 14 Bell Street from High Street, [The Old Closes & Streets of Glasgow (1900 edition)], Photogravure, 18.5 x 23.6 cm, Photoseed, Photograph courtesy PhotoSeed.com, LL/12221

Thomas Annan, 1868, 16 Old buildings in High Street, Nos. 17-27, [The Old Closes & Streets of Glasgow (1900 edition)], Photogravure, 18.6 x 23.8 cm, Photoseed, Photograph courtesy PhotoSeed.com, LL/12223

Archibald Burns, 1868, Cardinal Beaton's House, the Cowgate, Edinburgh, [Picturesque Bits from Old Edinburgh], Albumen print, 10.6 x 8.5 cm, National Galleries of Scotland, Courtesy of the National Galleries of Scotland, Gift of Mrs. Riddell in memory of Peter Fletcher Riddell 1985 (PGP R 814), LL/7670

Archibald Burns, 1871, The Cowgate, Edinburgh, Salt print, 23.4 x 18.6 cm, National Galleries of Scotland, Courtesy of the National Galleries of Scotland, Gift of Mrs. Riddell in memory of Peter Fletcher Riddell 1985 (PGP R 214), LL/7669

Archibald Burns, 1871, The Horse Wynd, Edinburgh, Salted paper print from wet collodion negative, National Library of Scotland, National Library of Scotland, Photograph Collections (Phot.LA.1), LL/7674

Henry Dixon, 1879, London - Old Houses in Aldersgate Street, [The Society for photographing relics of old London (No. 31)], Carbon print, 7 x 9 in (ca), Eastern Window (Jan van der Wal), Courtesy of Jan van der Wal (gb21-02), LL/15026

Henry Dixon, 1882, London - Banqueting House Whitehall, [The Society for photographing relics of old London (No. 68)], Carbon print, 9 x 7 in (ca), Eastern Window (Jan van der Wal), Courtesy of Jan van der Wal (gb17-02), LL/15023

Henry Dixon, 1885, London - Inner Temple - Churchyard Court, [The Society for photographing relics of old London (No. 98)], Carbon print, 7 x 9 in (ca), Eastern Window (Jan van der Wal), Courtesy of Jan van der Wal (gb19-02), LL/15025

Henry Dixon, 1885, London - Middle Temple - Hall, [The Society for photographing relics of old London (No. 102)], Carbon print, 9 x 7 in (ca), Eastern Window (Jan van der Wal), Courtesy of Jan van der Wal (gb18-02), LL/15024

Henry Dixon, 1886, London - Queen Anne's Gate, [The Society for photographing relics of old London (No.114)], Carbon print, 9 x 7 in (ca), Eastern Window (Jan van der Wal), Courtesy of Jan van der Wal (gb16-02), LL/15022

Juan Laurent, 1870 (ca), Cordoba N. 307, Albumen print, 13 x 9 3/8, Charles Nes Photography LLC New York - Paris, LL/5793

Juan Laurent, 1870 (ca), Granada 231, Albumen print, 13 1/4 x 9 3/4, Charles Nes Photography LLC New York - Paris, LL/5796

Juan Laurent, 1870 (ca), Granada el Generahle N. 131, Albumen print, 11 1/4 x 9 1/2, Charles Nes Photography LLC New York - Paris, LL/5794

Juan Laurent, 1877 (ca), Cordoba - 307bis - Vista interior de la Mezquita a Catedral., Albumen print, 13 1/8 x 9 3/4 in / 333 x 247 mm (ca), Eastern Window (Jan van der Wal), Courtesy of Jan van der Wal (sp3-04), LL/15020

Juan Laurent, 1877 (ca), Granada. 2182 Catedral. Vista general esterior de la Capilla Real, parte superior., Albumen print, 13 x 9 7/8 in / 333 x 250 mm (ca), Eastern Window (Jan van der Wal), Courtesy of Jan van der Wal (sp10-04), LL/15017

Robert Macpherson, 1860 (ca), Arch of Septimus Severus, in the Roman Forum, Albumen print, from wet collodion negative, 15-5/8 x 12 in (398 x 305 mm), Charles Isaacs Photographs, Inc, Courtesy of Charles Isaacs (u1074), LL/11515

Robert Macpherson, 1860 (ca), Arch of Titus, from the temple of Venus and Rome, Albumen print, from wet collodion negative, 15-5/8 x 12 in (398 x 305 mm), Charles Isaacs Photographs, Inc, Courtesy of Charles Isaacs (u1072), LL/11516

Robert Macpherson, 1860 (ca), Portion of the interior wall of the Coliseum, Albumen print, from wet collodion negative, 12-5/16 x 15 in (314 x 381 mm), Charles Isaacs Photographs, Inc, Courtesy of Charles Isaacs (u1071), LL/11517

Robert Macpherson, 1860 (ca), The Theatre of Marcellus, from the Piazza Montanara, Albumen print, from wet collodion negative, 15-5/8 x 12 in (398 x 305 mm), Charles Isaacs Photographs, Inc, Courtesy of Charles Isaacs (u1073), LL/11518

Samuel Bourne, 1864, Bridge on the Margual Canal, Kashmir, Albumen print, 210 x 275 mm 8.25 x 11 in, Antiq-Photo, Courtesy of Anthony Davis - Antiq-photo / Rainbow creations (www.19cPhoto.com - 3wo286), LL/8819

Samuel Bourne, 1866 (ca), Benares, India - the Great Mosque of Aurunzebe, Albumen print, 8.25 x 11.25 ins 210 x 290 mm, Antiq-Photo, Courtesy of Anthony Davis - Antiq-photo / Rainbow creations (www.19cPhoto.com - 3in608), LL/8803

Samuel Bourne, 1866 (ca), Delhi, India - the Tomb of Mirza Jehangir, Albumen print, 9.25 in (23.49 cm) x 11.75 in (29.84 cm), Antiq-Photo, Courtesy of Anthony Davis - Antiq-photo / Rainbow creations (www.19cPhoto.com - 3in812), LL/8794

Samuel Bourne, 1868 (ca), Ancient Brahminical Temple in Fort Gwalior, Albumen print, 7.75 in (19.68 cm) x 11 in (27.94 cm), Antiq-Photo, Courtesy of Anthony Davis - Antiq-photo / Rainbow creations (www.19cPhoto.com - 3in735), LL/8798

Samuel Bourne, 1865 (ca), Lucknow, Chutter Munzil, India, Albumen print, 9.25 x 11.5 ins 235 x 285 mm, Antiq-Photo, Courtesy of Anthony Davis - Antiq-photo / Rainbow creations (www.19cPhoto.com - 3wo578), LL/8809

George K. Warren, 1862-1864 (ca), Trumbull Gallery, Yale, New Haven, Ct., Salt print, 6 x 8 in, Lee Gallery, Courtesy of Lee Gallery (M1274), LL/12885

George K. Warren, 1861 (ca), College House, Harvard Sq. Cambridge, Ma., Salt print, 5 1/2 x 7 1/2 in, Lee Gallery, Courtesy of Lee Gallery (B152), LL/12893

George K. Warren, 1860-1861, Hollis, Stoughton, and Holworthy Halls, Harvard, Cambridge, Ma., Salt print, 6 x 8 in, Lee Gallery, Courtesy of Lee Gallery (M1005), LL/12889

Carleton E. Watkins, 1879 (ca), The Palace and Grand, New Mont'gy St., S.F., [Watkin's New Series], Stereograph, Library of Congress, Prints and Photographs Division, LOT 13463, no. 37, LL/9992

Carleton E. Watkins, n.d., C. E. Watkins view no. 3582, Bank of Nevada, Montgomery and Pine Sts., S. F., [Watkins' New Series], Stereocard, Stereographica - Antique Photographica, Courtesy of Bryan and Page Ginns (#15 / 233), LL/11074

Désiré François Millet, 1850 (ca), Le baron Haussmann (1809-1891), Daguerreotype, 14.5 x 10.5 cm, Musée d'Orsay, (C) RMN (Musée d'Orsay) / Hervé Lewandowski, Europeana Identifier: RMNDO000000278762 ; PHO1984-89, LL/42660