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A.W. Shaw - Public Domain
Engraved by J.C. Buttrle N.Y. - Public Domain
צוריתי - CC BY-SA 3.0
Smithsonian Institution -
A. Brauer - Public Domain
Public Domain
James Peale - Public Domain
unknown - Public Domain
George Charles Beresford - Public Domain
Yeza - CC BY-SA 3.0
C. V. Buck - Public Domain
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Hayez, Francesco, 1791-1882
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Forsyth, John, 1780-1841
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Chen, Cheng, 1898-1965
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Agrell, Johan, 1701-1765
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Marggraf, Andreas Sigismund, 1709-1782
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Leigh-Mallory, Trafford, Sir, 1892-1944
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A.W. Shaw - Public Domain
Johnson, Eldridge Reeves, 1867-1945
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Whitlam, Gough, 1916-
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David, Hermine, 1886-1971
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Engraved by J.C. Buttrle N.Y. - Public Domain
Bridgman, E. C. (Elijah Coleman), 1801-1861
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Delany, Mrs. (Mary), 1700-1788
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צוריתי - CC BY-SA 3.0
Shalvi, Alice
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Smithsonian Institution -
Van Biesbroeck, George, 1880-1974
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Chant, Clarence Augustus, 1865-
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Smith, Martin F. (Martin Fernard), 1891-1954
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Penny, Hank
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Nider, Johannes, approximately 1380-1438
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A. Brauer - Public Domain
Houssaye, Henry, 1848-1911
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Public Domain
Reed, John, 1887-1920
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Dyess, Wm. E. (William Edwin), 1916-1943
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Marty, Martin, 1834-1896
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Ochoa, Eugenio de 1815-1872
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James Peale - Public Domain
Milledoler, Philip, 1775-1852
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Klebs, Arnold C. (Arnold Carl), 1870-1943
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unknown - Public Domain
Leo, Leonardo
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George Charles Beresford - Public Domain
Thomas, William Beach, Sir, 1868-1957
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unknown - Public Domain
Hurst, Brandon, 1866-1947
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Yeza - CC BY-SA 3.0
Paz, Abel
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Gris, Juan, 1887-1927
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C. V. Buck - Public Domain
Gallinger, Jacob H. (Jacob Harold), 1837-1918