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Public Domain
jp:朝日新聞社 - Public Domain
Johannes Maass - Public Domain
unknown - Public Domain
user at project - Public Domain
Marshall Astor - CC BY-SA 2.0
United States Air Force - Public Domain
Antonio de La Gandara - Public Domain
Sprockethead1 - CC BY-SA 3.0
Nirvadel - CC BY-SA 4.0
CofCMFA - CC BY-SA 4.0
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Public Domain
Bell, T. H. (Thomas H.), 1867-1942
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Fust, Herbert Jenner, 1778-1852
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jp:朝日新聞社 - Public Domain
Shōriki, Matsutarō, 1885-1969
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Public Domain
Cabell, William H., 1772-1853
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Johannes Maass - Public Domain
Abendroth, Hermann
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Le Verrier, U.-J. (Urbain J.), 1811-1877
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Carswell, G. Harrold (George Harrold), 1919-1992
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unknown - Public Domain
Langmuir, Irving, 1881-1957
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Garman, Samuel, 1843-1927
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user at project - Public Domain
Robinson, John, 1575?-1625
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Mandelʹshtam, Osip, 1891-1938
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Arthur, W. Brian.
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unknown - Public Domain
Ducommun, Élie, 1833-1906
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Marshall Astor - CC BY-SA 2.0
Iturbide, Graciela, 1942-....
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Buckland, Francis T. (Francis Trevelyan), 1826-1880
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unknown - Public Domain
Carafa, Pier Luigi 1677-1755
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United States Air Force - Public Domain
Northrop, John Knudsen, 1895-1981
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Barber, Hiram, 1835-1924
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Antonio de La Gandara - Public Domain
Rubinstein, Ida
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Woodall, John, 1556?-1643
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Acworth, W. M. (William Mitchell), 1850-1925
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unknown - Public Domain
Palmer, Walter Launt, 1854-1932
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Tillman, John Newton, 1859-1929
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Fields, James Thomas, 1817-1881
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Thacher, John Boyd, 1847-1909
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Sprockethead1 - CC BY-SA 3.0
Iltis, Hugo, 1882-
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unknown - Public Domain
Campbell, Colin, Lord, 1853-1895
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Kaufman, George S. (George Simon), 1889-1961
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Nirvadel - CC BY-SA 4.0
Liebrecht, Savyon, 1948-....
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CofCMFA - CC BY-SA 4.0
Lott, Bret.