500 works carry all of these threads.
Alexander Hesler, 12 Jul 1823 - 5 Jul 1895 · c. 1860
Mathew Brady Studio, active 1844 - 1894 · c. 1860
Carleton E. Watkins · ca. 1872, printed ca. 1876
Gurney & Son, 1860 - 1874 · c. 1876
16th century
Unidentified Artist · c. 1861-65 (after earlier photograph)
Pseudo-Ortkens · ca. 1520
Diego de Atienza · 1646/9
18th–19th century
Unidentified Artist · c. 1866
Mathew Brady Studio, active 1844 - 1894 · c. 1862 (printed c. 1863/1864)
William Cocknidge · 1577–78
Bell & Brother, active 1865 - 1875 · 1869
McPherson & Oliver, 1828 - 1867 · c. 1863
Ashford Brothers & Co. · ca. 1864
Paul de Lamerie · 1731–32
