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unknown - Public Domain
unknown -
Romanceor/credit - CC BY-SA 3.0
Nicholas Richard Brewer - Public Domain
zeitgenössischer Maler - Public Domain
Mathew Brady - Public Domain
Presidenza della Repubblica -
Sumori - CC BY-SA 3.0
valleyviolet - Public Domain
F. Baruch - Public Domain
AllenS - Public Domain
Boissard, Jean-Jacques - Public Domain
Fides11 - CC0 1.0
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Middleton, Charles Ronald
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Palestrina, Giovanni Pierluigi da
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Duncan, William, 1832-1918
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unknown - Public Domain
Chandavarkar, Narayen G. (Narayen Ganesh), Sir, 1855-1923
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Krogh, August, 1874-1949
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unknown -
Naguib, Mohammed, 1901-
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Romanceor/credit - CC BY-SA 3.0
Klein, William
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Nicholas Richard Brewer - Public Domain
Hammond, Winfield S., 1863-1915
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Christian, Fletcher, 1764-1793?
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zeitgenössischer Maler - Public Domain
Henni, John Martin, 1805-1881
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Halifax, Charles Wood, Viscount, 1800-1885
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Nugent, Edward, 1904-1995
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Mathew Brady - Public Domain
Craige, Burton (Francis Burton), 1811-1875
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Presidenza della Repubblica -
Mubārak, Muḥammad Ḥusnī, 1928-
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Vansittart, Robert Gilbert Vansittart, Baron, 1881-1957
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Allison, May, 1890-1989
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Brant, Sebastian, 1458-1521
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Sumori - CC BY-SA 3.0
Eaglin, Snooks, 1936-2009
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Lerangis, Peter.
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valleyviolet - Public Domain
Mosher, Clelia Duel, 1863-1940
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F. Baruch - Public Domain
Rose, Edmund, 1836-1914
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AllenS - Public Domain
Friedman, Stanton T.
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White, Isaac D. (Isaac Davis), 1901-
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Roberts, Pernell
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Dargie, William, Sir, 1912-2003
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Boissard, Jean-Jacques - Public Domain
Baudius, Dominique, 1561-1613
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Graham, Daniel Orrin, 1925-....
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Fides11 - CC0 1.0
Patrizi, Constantino, 1798-1876
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Katsushika, Hokusai, 1760-1849
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Fuller, Arthur B. (Arthur Buckminster), 1822-1862