521 works carry all of these threads.
Mathew Brady Studio, active 1844 - 1894 · c. 1863
American Stereoscopic Co., c. 1895 - 1915 · c. 1870
Louis de Clercq · 1860 or later
Unidentified Artist · c. 1865
Unidentified Artist · c. 1880
Webster Brothers, active 1850s - 1860s · c. 1865
Mathew Brady Studio, active 1844 - 1894 · July 1863
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
Allen & Ginter · ca. 1888
Mathew B. Brady, 1823? - 15 Jan 1896 · c. 1869
Unidentified Artist · n.d.a.
Pach Brothers Studio, active 1867 - 1993 · c. 1904
Harry Warnecke, 1900 - 1984 · 1953
Seneca Ray Stoddard, 1844 - 1917 · c. 1870
Napoleon Sarony, 9 Mar 1821 - 9 Nov 1896 · 1873
