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unknown - Public Domain
Polkowski - Public Domain
Ludwig Schwab (other date - Public Domain
Mass Communication Specialist 1st Class Chad J. McNeeley - Public Domain
Anonymous -
Gage Skidmore - CC BY-SA 3.0
Bain News Service - Public Domain
FrankieF - CC BY-SA 4.0
NBC - Public Domain
original uploader - Public Domain
TarHippo - Public Domain
William Aikman - Public Domain
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unknown - Public Domain
Jameson, Robert W. (Robert William), 1805-1868
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Wilson, James, 1795-1856
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unknown - Public Domain
Platt, Marc, 1913-2014
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Ferrucci, Francesco, 1489-1530
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Bonney, Thérèse (1894-1978).
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Polkowski - Public Domain
Kopczyński, Onufry, 1735-1817
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Ludwig Schwab (other date - Public Domain
Gütersloh, Albert Paris, 1887-1973
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Crace-Calvert, F. (Frederick), 1819-1873
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unknown - Public Domain
Bonner, Herbert Covington, 1891-1965
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unknown - Public Domain
Lamarque, Jean-Maximilien, comte, 1770-1832
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King, Philip Parker, 1793-1856
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Boucicault, Aubrey, 1869-1913
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unknown - Public Domain
Love, Montagu, 1877-1943
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Mass Communication Specialist 1st Class Chad J. McNeeley - Public Domain
Patrick, Robert, 1958-....
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Carnegie Endowment for International Peace.
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Anonymous -
Farquhar, J. N. (John Nicol), 1861-1929
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Giraud, Albert, 1860-1929
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Kerr, John Bozman, 1809-1878
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Gage Skidmore - CC BY-SA 3.0
Van Dyke, Dick, 1925-
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Bain News Service - Public Domain
Willard, Jess, 1881-1968
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Goldstein, Vida, 1869-1949
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FrankieF - CC BY-SA 4.0
Modiano, Patrick, 1945-....
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Robertson, Howard, 1888-1963
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NBC - Public Domain
Brenner, David, 1945-
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original uploader - Public Domain
Uz, Johann Peter, 1720-1796
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TarHippo - Public Domain
Mitchell, Elisha, 1793-1857
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Vorovskiĭ, V. V. (Vat︠s︡lav Vat︠s︡lavovich), 1871-1923
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unknown - Public Domain
Feuillade, Louis, 1873-1925
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Hitchcock, Charles H. (Charles Henry), 1836-1919
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William Aikman - Public Domain
Clerk, John, Sir, 1676-1755