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Montrealfilmco - CC BY-SA 4.0
David Brown - CC BY-SA 4.0
Uwe Dettmar/Paul-Ehrlich-Stiftung - Public Domain
original uploader - Public Domain
Mahout34 - Public Domain
unknown - Public Domain
Federal Government of the United States - Public Domain
unknown -
"Copyrighted by Pach." - Public Domain
Juan Ribalta - Public Domain
Lady Ottoline Morrell (died 1938) - Public Domain
unknown photographer - Public Domain
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Montrealfilmco - CC BY-SA 4.0
L'Ecuyer, John, 1965-
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David Brown - CC BY-SA 4.0
Whitmore, John, Sir, 1937-
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Uwe Dettmar/Paul-Ehrlich-Stiftung - Public Domain
King, Mary-Claire, 1946-
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McReynolds, Samuel Davis, 1872-1939
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original uploader - Public Domain
Perham, Sidney, 1819-1907
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Mahout34 - Public Domain
Mandl, Herbert Tomas
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Wolff, Wilhelm, 1809-1864
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Springfield, Rick, 1949-
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unknown - Public Domain
Sibelius, Jean, 1865-1957
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Federal Government of the United States - Public Domain
York, Herbert F. (Herbert Frank)
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unknown - Public Domain
Fishback, William M. (William Meade), 1831-1903
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unknown -
Whipple, Maurine, 1903-1992
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"Copyrighted by Pach." - Public Domain
Adee, Alvey A. (Alvey Augustus), 1842-1924
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Victoria Mary Louisa, Duchess of Kent, 1786-1861
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Brownson, Carleton L. (Carleton Lewis), 1866-1948
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Juan Ribalta - Public Domain
Castro, Guillén de, 1569-1631
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Gromov, M. (Mikhail)
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Perronneau, Jean-Baptiste, 1715?-1783
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Hegar, Friedrich, 1841-1927
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McKelvey, V. E. (Vincent Ellis), 1916-
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Thomson, Henry, 1773-1843
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Pocock, Nicholas, 1740?-1821
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Borremans, Michaël 1963-...
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Lady Ottoline Morrell (died 1938) - Public Domain
Turner, W. J. (Walter James), 1884-1946
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Efremov, Ivan Antonovich, 1907-1972
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Hume, Joseph, 1777-1855
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Hargrave, Lawrence, 1850-1916
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Hudson, James, Sir, 1810-1885
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Devonshire, William Cavendish, Duke of, 1698-1755
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unknown photographer - Public Domain
Schenck, Joseph M., 1877-1961