500 works carry all of these threads.
Powell & Co. · 1865
Barr & Young, active 1860s · n.d.a.
Mathew B. Brady, 1823? - 15 Jan 1896 · c. 1863
Frederick Gutekunst, 25 Sep 1831 - 27 Apr 1917 · c. 1897
Unidentified Artist · c. 1861-65 (after earlier photograph)
Bell & Brother, active 1865 - 1875 · 1869
Anonymous, Netherlandish, 15th century · 15th century
Unidentified Artist · c. 1865
Alva Pearsall, 1838 - 1893 · c. 1874
Whitehurst Studio, active 1849 - 1860 · c. 1865
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
Ernest Eugène Appert · 1870–71
William Curtis Taylor, active 1863 - 1890 · c. 1889
Mathew B. Brady, 1823? - 15 Jan 1896 · 1869
Thomas Holland I · 1707–8
