536 works carry all of these threads.
Unidentified Artist · n.d.a.
James Fitzgerald Ryder, ? - 1904 · c. 1880
Hill and Adamson · 1843–47
The Ritz Studio · c. 1895
Unknown · 1861–65
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
Henry Ulke, 29 Jan 1821 - 17 Feb 1910 · c. 1863
Brown Brothers Studio, active c. 1900s - 1940s · c. 1925
Hill and Adamson · ca. 1845
Unidentified Artist · c. 1923
Whitehurst Studio, active 1849 - 1860 · c. 1865
W. Duke, Sons & Co. · ca. 1891
Mathew B. Brady, 1823? - 15 Jan 1896 · 1862
Philp & Solomons, active 1860s · c. 1865
Unidentified Artist · c. 1858
