Eadweard Muybridge, 1881-1882, Arrangement of the Cameras for Taking the Illustrations of the Paces, 1879, in J.D.B Stillman, The Horse in Motion as Shown by Instantaneous Photography with a Study on Animal Mechanics, Heliotype, National Gallery of Art (NGA), LL/92681
Conrad Rippel (artist, American, 1853-1936), 1890s (ca), Backmark for "Coinrad Rippel, Photographer, Market St. near Fourth, Sunbury, Pa.", Cabinet card, back, National Gallery of Art (NGA), LL/128278
Manville & Schroder (Greenbay, Wisconsin), 1864 (ca), Portrait of a Native American Woman, Carte de visite, painted, National Gallery of Art (NGA), LL/130896
Dunmore & Critcherson, 1869, The Arctic Regions: No. 92.* The Devil's Thumb partially enveloped in a fog, with the first of the drift Ice from the pack, which was being forced towards the land, from which we escaped through a narrow lead…, Albumen print, National Gallery of Art (NGA), LL/117771
L.P. Greenlund & Co. (artist, American, active 1890s-1910s), 1880s (ca), Portrait of a Tinsmith, Cabinet card, National Gallery of Art (NGA), LL/128273
Unidentified photographer (American 19th century), 1845 (ca.), Samuel Morse Felton Steam Engine and Crew, Fitchburg, Massachusetts, Daguerreotype, National Gallery of Art (NGA), LL/132407
Conrad Rippel (artist, American, 1853-1936), 1890s (ca), Portrait of a Tinware Advertising Woman, Cabinet card, National Gallery of Art (NGA), LL/128277
Maria Harriet Elizabeth Cator, 1866-1877, Untitled Page From the Cator Album, [Cator Family Album], Collage of watercolor and albumen silver prints, National Gallery of Art (NGA), LL/35057