536 works carry all of these threads.
1888–90
Unidentified Artist · n.d.a.
Alexander Gardner (mentioned on object) · 1863-07
American Stereoscopic Co., c. 1895 - 1915 · c. 1860
Francis James Mortimer, 1874 - 1944 · 1906
Lewis E. Walker, 1822 - 1880 · 1865
William Curtis Taylor, active 1863 - 1890 · c. 1889
Mathew Brady Studio, active 1844 - 1894 · 1860-65
Frederick Gutekunst, 25 Sep 1831 - 27 Apr 1917 · c. 1875
William Watson Washburn, 1827 - 15 Nov 1903 · c. 1865
Henry Ulke, 29 Jan 1821 - 17 Feb 1910 · c. 1860
José María Mora, c. 1847 - 18 Oct 1926 · 1881
Mathew Brady Studio, active 1844 - 1894 · c. 1861
Timothy H. O'Sullivan, 1840 - 1882 · 1863
Philp & Solomons, active 1860s · c. 1860
Fred Hartsook, 26 Oct 1876 - 30 Sep 1930 · c. 1915
