Image from Wikimedia Commons
w:Miller Center of Public Affairs - CC BY 2.0
Unattributed - Public Domain
Ulrich Lange, Dunedin, New Zealand - Public Domain
unknown - Public Domain
Ardagh, Henry Hatton, 1853-1936 - Public Domain
original uploader -
LaSalle Extension University - Public Domain
Rijksmuseum - CC0 1.0
Bain News Service - Public Domain
Image from Wikimedia Commons
w:Miller Center of Public Affairs - CC BY 2.0
Hitz, Frederick Porter, 1939-
Image from Wikimedia Commons
Hunter, William, 1718-1783
Image from Wikimedia Commons
Bicci, Giovanni di, 1360-1429
Image from Wikimedia Commons
Powell, Maud, 1867-1920
Image from Wikimedia Commons
Betances, Ramón Emeterio, 1827-1898
Image from Wikimedia Commons
Unattributed - Public Domain
Sontheim, Heinrich, 1820-1912
Image from Wikimedia Commons
Ulrich Lange, Dunedin, New Zealand - Public Domain
Wakefield, Priscilla, 1751-1832
Image from Wikimedia Commons
Pyle, Howard, 1853-1911
Image from Wikimedia Commons
unknown - Public Domain
Hubbard, Thomas H. (Thomas Hill), 1781-1857
Image from Wikimedia Commons
Johnson, Clark, 1954-
Image from Wikimedia Commons
Szeligowski, Tadeusz
Image from Wikimedia Commons
Escalante, Juan Antonio, 1633-1670
Image from Wikimedia Commons
Benlliure, Mariano, 1862-1947
Image from Wikimedia Commons
Ardagh, Henry Hatton, 1853-1936 - Public Domain
Gowan, James Robert, Sir, 1815-1909
Image from Wikimedia Commons
Warden, Jack
Image from Wikimedia Commons
Baring, Arnulf
Image from Wikimedia Commons
original uploader -
Syme, Ronald, 1903-1989
Image from Wikimedia Commons
LaSalle Extension University - Public Domain
Bede, J. Adam (James Adam), 1856-1942
Image from Wikimedia Commons
Princeton University
Image from Wikimedia Commons
Nieuwerkerke, Alfred-Emilien O'Hara, comte de, 1811-1892
Image from Wikimedia Commons
Ela, Jacob H. (Jacob Hart), 1820-1884
Image from Wikimedia Commons
Foster, Preston, 1900-1970
Image from Wikimedia Commons
Ruckelshaus, William Doyle, 1932-2019
Image from Wikimedia Commons
Bierce, Ambrose, 1842-1914?
Image from Wikimedia Commons
Rijksmuseum - CC0 1.0
De Rossi, Giovanni Bernardo, 1742-1831
Image from Wikimedia Commons
Baldwin, James Mark, 1861-1934
Image from Wikimedia Commons
Freimann, A. (Aron), 1871-1948
Image from Wikimedia Commons
Duchenne, G.-B. (Guillaume-Benjamin), 1806-1875
Image from Wikimedia Commons
Stair, John Dalrymple, Earl of, 1648-1707
Image from Wikimedia Commons
Bain News Service - Public Domain
Youngs, Ross, 1897-1927