529 works carry all of these threads.
Carleton E. Watkins, 11 Nov 1829 - 23 Jun 1916 · c. 1870
Bell & Brother, active 1865 - 1875 · c. 1860
T. W. Smillie, active late 19th century · after 1870
Hill and Adamson · ca. 1844
Unidentified Artist · n.d.a.
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
Unidentified Artist · late 19th century
Ed van der Elsken
Unidentified Artist · c. 1861-65 (after earlier photograph)
Brady & Co. · June 1866
Unidentified Artist · June 26, 1886
Unidentified Artist · c. 1861-62
Mathew Brady Studio, active 1844 - 1894 · c. 1862 (printed c. 1863/1864)
