Image from Wikimedia Commons
City of Portland Police (i.e., public property): sole request of "authors" is that users include following caption information: Source "City of Portland Archives, Oregon, A2001-074.120" - CC BY-SA 4.0
cliff1066™ - CC BY 2.0
unknown - Public Domain
Samuel Sartain - CC0 1.0
Corsair133693 - CC BY-SA 3.0
Pascal Ferro - CC BY-SA 3.0
w:Simon De Passe - Public Domain
Bain - Public Domain
:de:Benutzer:Eilmeldung - CC BY-SA 2.0
Ctruongngoc -
Alexander Sutherland (book author) - Public Domain
Goldwyn Pictures Corporation - Public Domain
Professor Wilson. 1874 - Public Domain
Linda A. Cicero / Stanford News Service - CC BY 3.0
מוישימי - Public Domain
:en:Henri Gaudier-Brzeska - Public Domain
Image from Wikimedia Commons
City of Portland Police (i.e., public property): sole request of "authors" is that users include following caption information: Source "City of Portland Archives, Oregon, A2001-074.120" - CC BY-SA 4.0
Darcy, Samuel, 1905-
Image from Wikimedia Commons
Tortelier, Paul, 1914-1990
Image from Wikimedia Commons
Rothwell, Richard
Image from Wikimedia Commons
cliff1066™ - CC BY 2.0
Weinman, Adolph A. (Adolph Alexander), 1870-1952
Image from Wikimedia Commons
Gregory XIV, Pope, 1535-1591
Image from Wikimedia Commons
unknown - Public Domain
Hegar, A. (Alfred), 1830-1914
Image from Wikimedia Commons
unknown - Public Domain
Solovʹev, Vsevolod Sergeevich, 1849-1903
Image from Wikimedia Commons
Samuel Sartain - CC0 1.0
Crow, Wayman, 1808-1885
Image from Wikimedia Commons
Corsair133693 - CC BY-SA 3.0
Bach, Richard
Image from Wikimedia Commons
Pascal Ferro - CC BY-SA 3.0
Teller, Juergen, 1964-....
Image from Wikimedia Commons
w:Simon De Passe - Public Domain
Smith, Thomas, 1558?-1625
Image from Wikimedia Commons
Schirrmann, Richard
Image from Wikimedia Commons
Bain - Public Domain
West, Oswald, 1873-1960
Image from Wikimedia Commons
unknown - Public Domain
Rice, Dan, 1823-1900
Image from Wikimedia Commons
unknown - Public Domain
Jiang, Wenye, 1910-1983
Image from Wikimedia Commons
:de:Benutzer:Eilmeldung - CC BY-SA 2.0
Stolpe, Manfred
Image from Wikimedia Commons
Larroquette, John
Image from Wikimedia Commons
Komura, Jutarō, 1855-1911
Image from Wikimedia Commons
Stamaty, Camille, 1811-1870
Image from Wikimedia Commons
Dawkins, Richard, 1941-
Image from Wikimedia Commons
Ctruongngoc -
Ungerer, Tomi, 1931-....
Image from Wikimedia Commons
Alexander Sutherland (book author) - Public Domain
Haddon, Frederick William, 1839-1906
Image from Wikimedia Commons
unknown - Public Domain
Court de Gébelin, Antoine, 1725-1784
Image from Wikimedia Commons
Goldwyn Pictures Corporation - Public Domain
Ratcliffe, E. J. (Edward J.), 1863-1948
Image from Wikimedia Commons
Professor Wilson. 1874 - Public Domain
Ainslie, Robert, 1766-1838
Image from Wikimedia Commons
Linda A. Cicero / Stanford News Service - CC BY 3.0
Arrow, Kenneth Joseph, 1921-....
Image from Wikimedia Commons
מוישימי - Public Domain
Kotler, Aaron, 1892-1962
Image from Wikimedia Commons
:en:Henri Gaudier-Brzeska - Public Domain
Wolmark, Alfred, 1877-1961
Image from Wikimedia Commons
Tintoretto, 1518-1594
Image from Wikimedia Commons
Evans, Luther Harris, 1902-1981