500 works carry all of these threads.
Harris & Ewing Studio, active 1905 - 1977 · c. 1928
Wolff Christof Ritter · c. 1615
J. F. Standiford, active c. 1889 · c. 1889
Meade Brothers Studio, active c. 1840 - c. 1869 · c. 1860 (after 1853 daguerreotype)
Bell & Brother, active 1865 - 1875 · 1869
The Ritz Studio · c. 1895
Jan van de Velde II · 1653, with later inscriptions
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
S. Mordan & Co., England · 1848–49
William H. Rau, 1855 - 1920 · c. 1917
Diego de Atienza · 1646/9
Charles DeForest Fredricks, 11 Dec 1823 - 25 May 1894 · c. 1863
Raymond Gayrard · 1832
Josiah Johnson Hawes, 20 Feb 1808 - 7 Aug 1901 · c. 1890
Unidentified Artist · n.d.a.
