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George Grantham Bain Collection - Public Domain
Mathew Brady - Public Domain
Rafael Amado Deras - CC BY 2.0
Ccoward - CC BY 3.0
George Grantham Bain - Public Domain
Contemporary portrait - Public Domain
Original uploader was :de:Dilerius - Public Domain
Kronprinz Wilhelm - Public Domain
unknown - Public Domain
user at project - Public Domain
unknown -
Photographer-John Engstead, Beverly Hills - Public Domain
attrib. J. M. Davis, - Public Domain
A. Burt Music, Books, & Stationery - Public Domain
PHGCOM -
Public Domain
Garagemca - CC BY-SA 4.0
'''Oscar J. Marianez''' -
SAS Scandinavian Airlines - Public Domain
Walter Barlow Stevens, author. S. J. Clarke Publishing (St. Louis, MO), publisher. - Public Domain
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Agate, Alfred T., 1812-1846
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George Grantham Bain Collection - Public Domain
Aehrenthal, Aloys, Graf Lexa von, 1854-1912
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Gros, Antoine-Jean, baron, 1771-1835
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Mathew Brady - Public Domain
Powell, L. W. (Lazarus Whitehead), 1812-1867
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Rafael Amado Deras - CC BY 2.0
Bench, Johnny, 1947-
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Ccoward - CC BY 3.0
Castillo, Ana
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George Grantham Bain - Public Domain
Olney, Richard, 1835-1917
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Balzac, Honoré de, Madame, approximately 1800-1881 or 1882
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Graziani, Lodovico
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Contemporary portrait - Public Domain
Gomarus, F. (Franciscus), 1563-1641
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Original uploader was :de:Dilerius - Public Domain
Treitschke, Heinrich von 1834-1896
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Linné, Carl von, 1707-1778
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McGilvra, John J. (John Jay), 1827-1903
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Kronprinz Wilhelm - Public Domain
Korn, Arthur, 1870-1945
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unknown - Public Domain
Potter, William W., 1869-1940
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user at project - Public Domain
Vries, Erwin de 1929-
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Broca, Paul, 1824-1880
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unknown -
Onassis, Aristotle, 1906-1975
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Photographer-John Engstead, Beverly Hills - Public Domain
Diener, Joan
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attrib. J. M. Davis, - Public Domain
Manning, Thomas, 1772-1840
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Duncan, William, 1832-1918
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A. Burt Music, Books, & Stationery - Public Domain
Bliss, P. P. (Philip Paul), 1838-1876
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unknown - Public Domain
Cook, Dutton, 1829-1883
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John, of Austria, 1547-1578
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PHGCOM -
Martiau, Nicholas, 1591-approximately 1657
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Public Domain
Hammill, John, 1875-1936
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Garagemca - CC BY-SA 4.0
Kabakov, Ilʹi︠a︡ Iosifovich, 1933-
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'''Oscar J. Marianez''' -
Sabatier, Robert, 1923-2012
Image from Wikimedia Commons
SAS Scandinavian Airlines - Public Domain
Gagarin, Yuri Alekseyevich, 1934-1968
Image from Wikimedia Commons
Walter Barlow Stevens, author. S. J. Clarke Publishing (St. Louis, MO), publisher. - Public Domain
Lane, William Carr, 1789-1863