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Julienmorvan - CC BY-SA 3.0
original uploader - Public Domain
George Grantham Bain Collection; Restored by Adam Cuerden -
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anonymous - Public Domain
Public Domain
Hlj - Public Domain
unknown - Public Domain
author - Public Domain
G.V. Buck - Public Domain
OndRond - CC BY-SA 3.0
No author listed, no copyright marks - Public Domain
GeoffreyMason - CC BY 3.0
United States Army Signal Corps - Public Domain
Davidkphoto -
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Liechtenstein, Joseph Wenzel, Fürst von, 1696-1772
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Julienmorvan - CC BY-SA 3.0
Giraud, Roland, 1941-
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Monnet, Jean, 1888-1979
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original uploader - Public Domain
Caldecott, Andrew, Sir, 1884-
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George Grantham Bain Collection; Restored by Adam Cuerden -
Smyth, Ethel, 1858-1944
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Wiggins, Charles E. (Charles Edward), 1927-2000
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Edwards, Edward Irving, 1863-1931
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The Official CTBTO Photostream -
Richards, Paul G., 1943-....
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Chaliapin, Fyodor Ivanovich, 1873-1938
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anonymous - Public Domain
Raymond, Ernest, 1888-1974
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Budge, Bill
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Phillips, William, 1878-1968
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Public Domain
Trippe, J. T. (Juan Terry), 1899-
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Hlj - Public Domain
Robertson, James I.
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unknown - Public Domain
Stich-Randall, Teresa, 1927-2007
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author - Public Domain
Lee, Edwin Gray, 1836-1870
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G.V. Buck - Public Domain
Stephens, John H. (John Hall), 1847-1924
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Cornelius, Thomas R.
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Ross, Anthony, 1906-1955
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Rodríguez, Manuel, 1785-1818
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Lawes, J. B. (John Bennet), 1814-1900
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Ribas, José Félix 1775-1815
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Martínez de la Rosa, Francisco, 1787-1862
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OndRond - CC BY-SA 3.0
Robert, Michel, 1948-....
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Fétis, François-Joseph, 1784-1871
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No author listed, no copyright marks - Public Domain
Norman, Lucille
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GeoffreyMason - CC BY 3.0
Kim, Derek Kirk
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unknown - Public Domain
Evans, Henry Clay, 1843-1921
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United States Army Signal Corps - Public Domain
Clayton, Will, 1880-1966
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Davidkphoto -
Pekar, Harvey