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Unidentified (''Michiganensian'' is the University of Michigan yearbook published by University of Michigan) - Public Domain
Lithograph by August Kneisel after Cäcilie Brandt - Public Domain
United States Senate Historical Office - Public Domain
unknown - Public Domain
Australian News and Information Bureau -
Berenice Abbott - Public Domain
Unknown (Probably :en:Matthew Brady - Public Domain
Жуков Олександр Сергийовыч - CC BY-SA 4.0
Ptburl - CC BY-SA 4.0
Pkravchenko - CC BY-SA 3.0
NASA - Public Domain
Painting made by Willy Eisenschitz - CC BY-SA 4.0
Manuelvbotelho - CC BY-SA 4.0
US gov - Public Domain
jean-louis zimmermann - CC BY 2.0
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Khaled, 1960-....
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Unidentified (''Michiganensian'' is the University of Michigan yearbook published by University of Michigan) - Public Domain
Sawyer, Ralph A. (Ralph Alanson), 1895-1978
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Haver, Phyllis, 1899-1960
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Springer, Raymond S. (Raymond Smiley), 1882-1947
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Lithograph by August Kneisel after Cäcilie Brandt - Public Domain
Pixis, Johann Peter, 1788-1874
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United States Senate Historical Office - Public Domain
Young, Richard Montgomery, 1798-1861
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unknown - Public Domain
Weyand, Alexander M.
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Carter, Rosalynn, 1927-2023
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Australian News and Information Bureau -
McManus, Francis Patrick Vincent, 1905-
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Nichol, John, 1833-1894
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Berenice Abbott - Public Domain
Solano, Solita, 1888-1975
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Unknown (Probably :en:Matthew Brady - Public Domain
Burnett, Henry L. (Henry Lawrence), 1838-1916
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Janvier, Thomas A. (Thomas Allibone), 1849-1913
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Folkers, Karl August
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Жуков Олександр Сергийовыч - CC BY-SA 4.0
Quiggin, John.
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Ptburl - CC BY-SA 4.0
Etheridge, John
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Digby, Venetia Stanley, Lady, 1600-1633
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Richardson, H. H. (Henry Hobson), 1838-1886
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Thomson, Thomas, 1768-1852
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Pkravchenko - CC BY-SA 3.0
Kmit, Michael, 1910-1981
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NASA - Public Domain
Gemini 1 (Spacecraft)
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Schuyler, Philip John, 1733-1804
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Bateman, John Frederic (John Frederic La Trobe), 1810-1889
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Locker, Edward Hawke, 1777-1849
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Painting made by Willy Eisenschitz - CC BY-SA 4.0
Emmanuel, Pierre
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Manuelvbotelho - CC BY-SA 4.0
Sarmento, Julião, 1948-
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US gov - Public Domain
Phillips, Samuel C. (Samuel Cochran), 1921-1990
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unknown - Public Domain
Kullak, Theodor, 1818-1882
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jean-louis zimmermann - CC BY 2.0
Plasson, Michel
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Parsons, Edward Young, 1842-1876