396 works carry all of these threads.
Powell & Co. · 1865
Allen & Ginter · ca. 1888
Meade Brothers Studio, active c. 1840 - c. 1869 · c. 1860 (after 1853 daguerreotype)
Goodwin & Company · 1886
J. Osborn Milne · c. 1865
Henry Ulke, 29 Jan 1821 - 17 Feb 1910 · c. 1863
Bell & Brother, active 1865 - 1875 · c. 1869
W. Duke, Sons & Co. · 1880s
José María Mora, c. 1847 - 18 Oct 1926 · c. 1880-85
E. & H. T. Anthony & Company, active 1852 - 1901 · c. 1861
Napoleon Sarony, 9 Mar 1821 - 9 Nov 1896 · c. 1875
Whitehurst Studio, active 1849 - 1860 · c. 1865
Frederick Gutekunst, 25 Sep 1831 - 27 Apr 1917 · c. 1897
Bradley & Rulofson, active 1863 - 1878 · c. 1875
John and Charles Watkins · 1860s