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Ludwik Szaciński -
Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 3.0
unknown - Public Domain
Public Domain
Towpilot -
No photographer credited - Public Domain
Western Historical Society at Madison, Wisconsin - Public Domain
Jan Chełmiński - Public Domain
Kimberly, W.B. (compiler) -
unknown -
Coral Records - Public Domain
MissJessyQ - CC BY-SA 3.0
Georges Biard - CC BY-SA 3.0
original uploader -
Slobodan Štetić - CC BY 3.0
John & Charles Watkins - Public Domain
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Ludwik Szaciński -
Bjerknes, C. A. (Carl Anton), 1825-1903
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Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 3.0
Welsh, Irvine
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Tunnell, James M. (James Miller), 1879-1957
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unknown - Public Domain
Olmsted, Frederick Law, 1822-1903
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Jamesone, George, 1589 or 1590-1644
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Lee, Rowland V., 1891-1975
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Public Domain
Schroeder, Pat, 1940-
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Towpilot -
Benjamin, Richard, 1938-....
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Copley, William Nelson, 1919-1996
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Jones, Buck, 1889-1942
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No photographer credited - Public Domain
Willis, Frances Elizabeth, 1899-1983
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Western Historical Society at Madison, Wisconsin - Public Domain
Watrous, Jerome A.
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Jan Chełmiński - Public Domain
Chelmiński, Jan V., 1851-1925
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Kimberly, W.B. (compiler) -
James, J. C. H. (John Charles Horsey), 1841-
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Herwegh, Georg, 1817-1875
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unknown -
Wildgans, Anton, 1881-1932
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Coral Records - Public Domain
Allison, Jerry
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Bodwell, Joseph R. (Joseph Robinson), 1818-1887
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MissJessyQ - CC BY-SA 3.0
Vávra, Robert
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Georges Biard - CC BY-SA 3.0
Resnais, Alain, 1922-2014
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original uploader -
Gioia, Dana
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Public Domain
Olcott, Chauncey, 1858-1932
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Regnault, V. (Victor), 1810-1878
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Slobodan Štetić - CC BY 3.0
Bosilj, Ilija, 1895-1972
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unknown - Public Domain
Thompson, David, 1770-1857
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Clark, A. P. (Albert Patton), 1913-2010
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unknown - Public Domain
Lorenz, Adolf, 1854-1946
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Neustadt, Richard E.
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Burrow, James, 1701-1782
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John & Charles Watkins - Public Domain
Cooper, Abraham, 1787-1868