500 works carry all of these threads.
Unknown · 1860s–70s
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
Unidentified Artist · n.d.a.
Philp & Solomons, active 1860s · c. 1865
Ernest Eugène Appert · 1870–71
Unidentified Artist · c. 1861-65 (after earlier photograph)
second half 18th century
Pierre Fromery, French, 1655–1738 · ca. 1750
Titian Ramsay Peale II, 17 Nov 1799 - 13 Mar 1885 · c. 1875
Johann Jakob Kornmann (called Cormano) · ca. 1632
Henry Ulke, 29 Jan 1821 - 17 Feb 1910 · c. 1863
early 20th century (original dated 1001–25)
Diego de Atienza · 1646/9
