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Alan Light - CC BY-SA 2.0
Sarnold17 - CC BY-SA 3.0
Wikiuserphysik - CC BY-SA 3.0
? / - Public Domain
Anonymous - Public Domain
artist unknown - CC BY-SA 4.0
Faizul Latif Chowdhury - CC BY-SA 3.0
Public Domain
Verlag der Reichsdruckerei, Berlin 1930 (publisher and editor) -
Published by the US Government Printing Office. - Public Domain
Goldwyn Pictures Corporation - Public Domain
David Doucet - Reversus.fr - CC BY-SA 3.0
George Grantham Bain Collection (Library of Congress) - Public Domain
unknown - Public Domain
Ralph Emerson Twitchell - Public Domain
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Alan Light - CC BY-SA 2.0
Gardenia, Vincent
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Plücker, Julius, 1801-1868
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McDonald, Howard S. (Howard Stevenson), 1894-1986
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La Bourdonnais, Bertrand-François Mahé, comte de, 1699-1753
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Sarnold17 - CC BY-SA 3.0
Hutchinson, Edward, 1613-1675
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Dallas, Alexander James, 1759-1817
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Bache, Richard, 1737-1811
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Bonaparte, Charles Lucian, 1803-1857
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Wikiuserphysik - CC BY-SA 3.0
Mukhanov, V. F.
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? / - Public Domain
Gaines, John Pollard, 1795-1857
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Roos-Keppel, G. (George Olof), Sir, 1866-1921
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Anonymous - Public Domain
La Chesnaye, Charles Aubert de, 1632-1702
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Eliopoulos, Chris
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artist unknown - CC BY-SA 4.0
Walmisley, Thomas Attwood, 1814-1856
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De Bunsen, Maurice, 1852-1932
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Neumann, Hanna
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Berisha, Sali, 1944-....
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Maspero, G. (Gaston), 1846-1916
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Faizul Latif Chowdhury - CC BY-SA 3.0
Isalāma, Saiẏada Manajurula
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Public Domain
Baldwin, Roger S. (Roger Sherman), 1793-1863
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Verlag der Reichsdruckerei, Berlin 1930 (publisher and editor) -
Treviranus, G.R.
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Published by the US Government Printing Office. - Public Domain
Simpson, Richard M. (Richard Murray), 1900-1960
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Goldwyn Pictures Corporation - Public Domain
Moore, Tom, 1883-1955
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David Doucet - Reversus.fr - CC BY-SA 3.0
Juquin, Pierre
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George Grantham Bain Collection (Library of Congress) - Public Domain
Phillips, David Graham, 1867-1911
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unknown - Public Domain
Donahey, William, 1883-
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Bedford, Francis Russell, Duke of, 1765-1802
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Vivien, Joseph, 1657-1735
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unknown - Public Domain
Meredith, Charles, Mrs., 1812-1895
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Ralph Emerson Twitchell - Public Domain
Connelly, Henry, 1800-1866