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nvt - Public Domain
antisocialtory - CC BY 2.0
Los Angeles Times - Public Domain
Daniel A. Payne - Public Domain
jfer21 - CC BY-SA 3.0
Peter17 - CC BY-SA 3.0
Hugo van Gelderen / Anefo - CC BY-SA 3.0
OTFW - CC BY-SA 3.0
ABC Network - Public Domain
from the Hutton/Stringer Archive, ''circa'' 1905. - Public Domain
C. Albus (Dresden) - Public Domain
Tyssul - CC BY-SA 4.0
Helge Øverås - CC BY-SA 3.0
unknown -
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Brown, William Laurence, 1755-1830
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nvt - Public Domain
Bakker-Korff, Alexander Hugo 1824-1882
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antisocialtory - CC BY 2.0
Alexander, Jason, 1959-
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Hale-White, William, Sir, 1857-1949
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Turgot, Anne-Robert-Jacques, baron de l'Aulne, 1727-1781
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Los Angeles Times - Public Domain
Smythe, William E. (William Ellsworth), 1861-1922
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Marlowe, Julia, 1865-1950
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Burleson, Rufus Columbus, 1823-1901
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Sumner, Increase, 1746-1799
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Enola Gay (Bomber)
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Daniel A. Payne - Public Domain
Allen, Richard, 1760-1831
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jfer21 - CC BY-SA 3.0
Damon, Stuart
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Peter17 - CC BY-SA 3.0
Baca, Elfego, 1864-1945
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Hugo van Gelderen / Anefo - CC BY-SA 3.0
Legrand, Christiane
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Alba, Jacobo Stuart Fitz-James y Falcó, duque de, 1878-1953
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Trevelyan, George Otto, 1838-1928
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Schouman, Aert, 1710-1792
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OTFW - CC BY-SA 3.0
Haushofer, Albrecht, 1903-1945
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Cavalli, Pier Francesco, 1602-1676
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ABC Network - Public Domain
Foster, Ruth (Ruth A.)
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from the Hutton/Stringer Archive, ''circa'' 1905. - Public Domain
Thomas, Edward, 1878-1917
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Franz, Prinz, Herzog von Teck, 1837-1900
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C. Albus (Dresden) - Public Domain
Kümmer, Friedrich August 1797-1879
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Tyssul - CC BY-SA 4.0
Daniel, Glyn Edmund
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Helge Øverås - CC BY-SA 3.0
Stewart, Rod
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unknown -
Armand, I. F. (Inessa Fedorovna), 1874-1920
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Escobedo, Mariano, 1826-1902
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Channing, F. A. (Francis Allston), Baron, 1841-1926
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Kondakov, N. P. (Nikodim Pavlovich), 1844-1925
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Noah, M.M. (Mordecai Manuel), 1785-1851