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unknown - Public Domain
Bogen er skrevet af Gerhardt Lynge, fotografen er anonym - Public Domain
CBS Television - Public Domain
NASA and John Bedke (STScI) - Public Domain
Public Domain
New York World-Telegram and the Sun Newspaper Photograph Collection. -
Alexander Seitz (Photographic company) - Public Domain
Donald Cooksey - Public Domain
Nv8200p - CC BY-SA 3.0
NBC Television - Public Domain
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Moreau, Jean Victor Marie, 1763-1813
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Britton, Barbara, 1919-1980
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unknown - Public Domain
Gerstaecker, A. (Adolph), 1828-1895
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Clark, Stephen Carlton, 1882-1960
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Godfrey, J. H., 1888-1971
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Bogen er skrevet af Gerhardt Lynge, fotografen er anonym - Public Domain
Nielsen, Ludolf, 1876-1939
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CBS Television - Public Domain
Martin, Dick, 1922-2008
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Wearin, Otha Donner, 1903-
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Olcott, Ben W. (Ben Wilson), 1872-1952
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NASA and John Bedke (STScI) - Public Domain
Doxsey, R. (Rodger)
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unknown - Public Domain
Sánchez, Luis Alberto, 1900-1994
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Public Domain
Stone, Ormond, 1847-1933
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New York World-Telegram and the Sun Newspaper Photograph Collection. -
Kluge, John Werner, 1914-2010
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Trollope, Thomas Adolphus, 1810-1892
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Khomi︠a︡kov, A. S. (Alekseĭ Stepanovich), 1804-1860
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unknown - Public Domain
Carpenter, Cyrus Clay, 1829-1898
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Cross, Richard Assheton, 1823-1914
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Alexander Seitz (Photographic company) - Public Domain
Donders, F.C. (Franciscus Cornelis), 1818-1889
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Whitlock, Elizabeth, 1761-1836
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Public Domain
Stuart, John McDouall, 1815-1866
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Boëly, Alexandre Pierre François, 1785-1858
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Donald Cooksey - Public Domain
Weaver, Warren, 1894-1978
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CBS Television - Public Domain
Brinegar, Paul, 1917-1995
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Nv8200p - CC BY-SA 3.0
Ellis, Joseph J.
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Morgan, Henry, 1635?-1688
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Verrazzano, Giovanni da 1485-1528
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unknown - Public Domain
Dey, Mukul, 1895-1989
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Urquhart, R.E. (Robert Elliott), 1901-1988
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NBC Television - Public Domain
Paar, Jack
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Lake, Simon, 1866-1945