Image from Wikimedia Commons
unknown photographer - Public Domain
Photographer-Garbo, Chicago - Public Domain
unknown, collection Georges Sirot. Upload, stitch and restoration by Jebulon - Public Domain
not stated - Public Domain
https://digitalcollections.nypl.org/items/7f591b21-5c9e-fa9a-e040-e00a18063d1c - Public Domain
Library of the London School of Economics and Political Science -
unknown - Public Domain
unknown. Upload, stitch and restoration by Jebulon - Public Domain
Cesare Laurentio - Public Domain
Alfred, Count D'Orsay in 1834 - Public Domain
Bain - Public Domain
Jane Morrison - CC BY 3.0
J. H. Burkholtz - Public Domain
Public Domain
Image from Wikimedia Commons
unknown photographer - Public Domain
Johnson, Osa, 1894-1953
Image from Wikimedia Commons
Photographer-Garbo, Chicago - Public Domain
Bracken, Eddie, 1915-2002
Image from Wikimedia Commons
Sanchez, Loretta, 1960-
Image from Wikimedia Commons
Helias, Mark.
Image from Wikimedia Commons
unknown, collection Georges Sirot. Upload, stitch and restoration by Jebulon - Public Domain
Gréville, Henry, 1842-1902
Image from Wikimedia Commons
not stated - Public Domain
Chatfield-Taylor, H. C. (Hobart Chatfield), 1865-1945
Image from Wikimedia Commons
Challe, Maurice, 1905-1979
Image from Wikimedia Commons
https://digitalcollections.nypl.org/items/7f591b21-5c9e-fa9a-e040-e00a18063d1c - Public Domain
Garnet, Sarah Smith Tompkins, 1831-1911.
Image from Wikimedia Commons
Orton, James, 1830-1877
Image from Wikimedia Commons
Blackburn, Arthur Seaforth, 1892-1960
Image from Wikimedia Commons
Library of the London School of Economics and Political Science -
Parker, Peter, Sir, 1924-2002
Image from Wikimedia Commons
unknown - Public Domain
Kennedy, John S. (John Stewart), 1830-1909
Image from Wikimedia Commons
unknown. Upload, stitch and restoration by Jebulon - Public Domain
Couder, Louis-Charles-Auguste, 1790-1873
Image from Wikimedia Commons
Newton, George, 1602-1681
Image from Wikimedia Commons
unknown - Public Domain
Gurko, V. I. (Vladimir Iosifovich), 1862-1927
Image from Wikimedia Commons
Cesare Laurentio - Public Domain
Imperiali, Lorenzo
Image from Wikimedia Commons
Alfred, Count D'Orsay in 1834 - Public Domain
Talbot, C. R. M. (Christopher Rice Mansel), 1803-1890
Image from Wikimedia Commons
Bain - Public Domain
Dillon, Emile Joseph, 1855-1933
Image from Wikimedia Commons
Jane Morrison - CC BY 3.0
Pugh, Clifton Ernest, 1924-
Image from Wikimedia Commons
J. H. Burkholtz - Public Domain
Morgan, G. W. (George Washington), 1820-1893
Image from Wikimedia Commons
Ball, John, -1381
Image from Wikimedia Commons
Public Domain
Núñez de Arce, Gaspar, 1834-1903
Image from Wikimedia Commons
Weenix, Jan Baptist, 1621-1659
Image from Wikimedia Commons
Sargent, Epes, 1813-1880
Image from Wikimedia Commons
Yuan, Mei, 1716-1798
Image from Wikimedia Commons
Public Domain
Marmette, Joseph, 1844-1895
Image from Wikimedia Commons
Reynolds, J. Russell (John Russell), Sir, 1828-1896
Image from Wikimedia Commons
unknown - Public Domain
Chamberlain, Charles E. (Charles Ernest), 1917-2002
Image from Wikimedia Commons
Public Domain
Ridgely, Henry M. (Henry Moore), 1779-1847
Image from Wikimedia Commons
Alexander, James W., 1888-1971