Image from Wikimedia Commons
original uploader - Public Domain
Paul kiujcom - Public Domain
Aldous Huxley - Public Domain
Harris Trust & Savings Bank - Public Domain
Contemporary portrait - Public Domain
Nathaniel Bartlett Sylvester - Public Domain
Bureau of Engraving and Printing - Public Domain
unknown - Public Domain
Eurorient - CC BY-SA 4.0
Photograph - Public Domain
Biographical Dictionary and Portrait Gallery of Representative Men of Chicago, Milwaukee the World's Colombian Exposition - Public Domain
Frank Rinehart - CC BY 2.0
Ji-Elle - CC BY-SA 3.0
unknown; this retouched file: Grossus - Public Domain
ABC Television - Public Domain
:en:John Gilmary Shea - Public Domain
Unidentified photographer - Public Domain
Saint-Mémin, Charles Balthazar Julien Fevret de, 1770-1852, artist - Public Domain
Image from Wikimedia Commons
original uploader - Public Domain
Randall, Alexander Williams, 1819-1872
Image from Wikimedia Commons
Brown, Mather, 1761-1831
Image from Wikimedia Commons
Paul kiujcom - Public Domain
Dasté, Jean (1904-1994).
Image from Wikimedia Commons
Knapp, Adeline, 1860-1909
Image from Wikimedia Commons
Aldous Huxley - Public Domain
Osis, Kārlis, 1917-
Image from Wikimedia Commons
Rojas, Cristóbal 1858-1890
Image from Wikimedia Commons
Harris Trust & Savings Bank - Public Domain
Harris, Norman Wait, 1846-1916
Image from Wikimedia Commons
Contemporary portrait - Public Domain
Payson, Edward, 1783-1827
Image from Wikimedia Commons
Jessup, Henry Harris, 1832-1910
Image from Wikimedia Commons
Volkonskīĭ, Sergi︠e︡ĭ, kni︠a︡zʹ, 1860-1937
Image from Wikimedia Commons
Nathaniel Bartlett Sylvester - Public Domain
Westbrook, Theodoric R., -1885
Image from Wikimedia Commons
Bureau of Engraving and Printing - Public Domain
Calle, Paul
Image from Wikimedia Commons
Vaughan, Crawford, 1874-1947
Image from Wikimedia Commons
Shalamov, Varlam
Image from Wikimedia Commons
Groll, Josef
Image from Wikimedia Commons
unknown - Public Domain
Neilson, Adelaide, 1848-1880
Image from Wikimedia Commons
unknown - Public Domain
Manzi, Homero, 1907-1951
Image from Wikimedia Commons
Eurorient - CC BY-SA 4.0
Netzer, Amnon
Image from Wikimedia Commons
Lara, Agustín, 1897-1970
Image from Wikimedia Commons
Ponsonby, John Ponsonby, Viscount, 1770?-1855
Image from Wikimedia Commons
Cazalé, Nicolas, 1977-
Image from Wikimedia Commons
Photograph - Public Domain
Scott, George Gilbert, Sir, 1811-1878
Image from Wikimedia Commons
Biographical Dictionary and Portrait Gallery of Representative Men of Chicago, Milwaukee the World's Colombian Exposition - Public Domain
Jones, Joseph Russell, 1823-1909
Image from Wikimedia Commons
Frank Rinehart - CC BY 2.0
White Swan (Crow warrior), 1851 or 1852-1904
Image from Wikimedia Commons
Ji-Elle - CC BY-SA 3.0
Roubaud, Jacques.
Image from Wikimedia Commons
unknown; this retouched file: Grossus - Public Domain
Martin, H. Newell (Henry Newell), 1848-1896
Image from Wikimedia Commons
ABC Television - Public Domain
Snead, Sam, 1912-2002
Image from Wikimedia Commons
:en:John Gilmary Shea - Public Domain
Hendricken, Thomas Francis, Bishop, 1827-1886
Image from Wikimedia Commons
Unidentified photographer - Public Domain
Kronberg, Louis, 1872-1965
Image from Wikimedia Commons
Saint-Mémin, Charles Balthazar Julien Fevret de, 1770-1852, artist - Public Domain
Winder, William Henry, 1775-1824