499 works carry all of these threads.
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · c. 1870
Unidentified Artist · c. 1861-65 (after earlier photograph)
Unidentified Artist · c. 1860
Unidentified Artist · c. 1865
Giorgio Sommer · ca. 1874
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
Harris & Ewing Studio, active 1905 - 1977 · c. 1928
Unidentified Artist · n.d.a.
Kilburn Brothers, active 1865 - 1909 · c. 1870
Unidentified Artist · 1860s
Goodwin & Company · 1886–90
Mathew Brady Studio, active 1844 - 1894 · 1860-65
Hill and Adamson · 1843–47
Unidentified Artist · c. 1861-62
