397 works carry all of these threads.
Pach Brothers Studio, active 1867 - 1993 · c. 1880
Ashford Brothers & Co. · ca. 1864
Giorgio Sommer · ca. 1874
Unidentified Artist · c. 1861
Unidentified Artist · 1862
Mathew Brady Studio, active 1844 - 1894 · 1863
Thomas A. Gray, active 1863 · 1863
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
Francis Frith · 1870s
Carleton E. Watkins · 1861
Unidentified Artist · c. 1870
Unidentified Artist · c. 1861-65 (after earlier photograph)
Unidentified Artist · 1861
Alexander Gardner, 17 Oct 1821 - 10 Dec 1882 · c. 1860
