508 works carry all of these threads.
Mathew Brady Studio, active 1844 - 1894 · 1860-65
Meade Brothers Studio, active c. 1840 - c. 1869 · c. 1860 (after 1853 daguerreotype)
Unidentified Artist · n.d.a.
Mathew B. Brady, 1823? - 15 Jan 1896 · 1865
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
George Fiske, 22 Oct 1835 - 21 Oct 1918 · c. 1890
Benjamin Joseph Falk, 14 Oct 1853 - 19 Mar 1925 · c. 1905
Henry Havelock Pierce, 1864 - 1943 · 1924
Jesse Sumner Wooley, 1867 - 1940 · c. 1910
Barr & Young, active 1860s · n.d.a.
American Stereoscopic Co., c. 1895 - 1915 · c. 1870
Allen & Ginter · ca. 1888
Henry Ulke, 29 Jan 1821 - 17 Feb 1910 · c. 1863
Frederick Gutekunst, 25 Sep 1831 - 27 Apr 1917 · c. 1865
Unidentified Artist · c. 1880