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Unknown military photographer of Signal Corps - Public Domain
Alan Light - CC BY 2.0
Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 3.0
MyName (JVC3ETA - CC BY-SA 3.0
Peter Lely - Public Domain
Gustave Courbet - Public Domain
Benson J. Lossing, The Pictorial Field-Book of the Revolution, Volume 1, Chapter 2, 1850 - Public Domain
Kadellar - CC BY-SA 4.0
Cherishthemoment - CC BY 2.0
Japonica - CC BY-SA 4.0
Timothy H. O'Sullivan - Public Domain
Unattributed - Public Domain
user at project - Public Domain
Nv8200p - CC BY-SA 3.0
Civil War glass negative collection, Library of Congress - Public Domain
Ulrich von Baudissin (1816-1892) - Public Domain
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Corrente, Michael
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Unknown military photographer of Signal Corps - Public Domain
Furlong, William Rea, 1881-1976
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Alan Light - CC BY 2.0
Henson, Jim, 1936-1990
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Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 3.0
Miłosz, Andrzej
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MyName (JVC3ETA - CC BY-SA 3.0
Carías Andino, Tiburcio, 1876-1969
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Peter Lely - Public Domain
Holmes, Robert, Sir, 1622-1692
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Tardieu, Pierre-Alexandre, 1756-1844
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Lawson, Ernest, 1873-1939
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Gustave Courbet - Public Domain
Vallés, Jules, 1832-1885
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Hill, Declan
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Weissenbruch, Johan Hendrik, 1824-1903
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Badius, Josse, 1462-1535
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Benson J. Lossing, The Pictorial Field-Book of the Revolution, Volume 1, Chapter 2, 1850 - Public Domain
Paulding, William, Jr., 1770-1854
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Kadellar - CC BY-SA 4.0
Iglesias, Alberto
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Meyer, Ernst Hermann, 1905-1988
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Fairley, N. Hamilton (Neil Hamilton), 1891-1966
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Mermoz, Jean, 1901-1936
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Cherishthemoment - CC BY 2.0
Davis, Clifton
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Crane, Thomas Frederick, 1844-1927
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Japonica - CC BY-SA 4.0
Romagnesi, Henri, 1912-1999
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Timothy H. O'Sullivan - Public Domain
Waud, Alfred R. (Alfred Rudolph), 1828-1891
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Unattributed - Public Domain
Fumasoni-Biondi, Pietro, 1872-1960
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user at project - Public Domain
Cockburn, Alexander
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Galleghan, Frederick, Sir, 1897-1971
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Cherep-Spiridovich, Arthur 1858-1926
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Nv8200p - CC BY-SA 3.0
Allen, Terry, 1943-....
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Civil War glass negative collection, Library of Congress - Public Domain
Cullum, George Washington, 1809-1892
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Phillips, John, 1770-1823
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Adams, Joey, 1911-1999
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Ulrich von Baudissin (1816-1892) - Public Domain
Gurlitt, Cornelius, 1820-1901