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J.C. Strauss Studio - Public Domain
Duc (pixiduc) - CC BY-SA 2.0
U.S. Senate Historical Office - Public Domain
Andreas Carter - CC BY-SA 3.0
BéatriceLouise - Public Domain
unknown - Public Domain
Frances Benjamin Johnston - Public Domain
Lincoln Ellsworth - Public Domain
Clusternote - CC BY-SA 4.0
James Russell & Sons (from 1852) - Public Domain
Public Domain
Peter Minorsky, grandson of Nicolas Minorsky - CC BY-SA 1.0
Californiauser001 - CC BY-SA 3.0
Bain News Service, publisher - Public Domain
S. Hurok-Hurok Attractions-concert promoter - Public Domain
David Starr Jordan (1851-1931) - Public Domain
A.J. Ehnle/P. Blommers (1852) - Public Domain
Eugenie Gershoy - CC BY-SA 3.0
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J.C. Strauss Studio - Public Domain
Fordyce, Samuel Wesley, 1840-1919
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Alexander, William, 1824-1911
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Kaspi, Mati
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Duc (pixiduc) - CC BY-SA 2.0
Nhât Hạnh, Thích
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U.S. Senate Historical Office - Public Domain
Allen, James B. (James Browning), 1912-1978
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Borodin, Aleksandr Porfirʹevich, 1833-1887
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D'Oyly Carte, Rupert
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Andreas Carter - CC BY-SA 3.0
Heckman, James J. (James Joseph)
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BéatriceLouise - Public Domain
Bouquet, Michel
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Hénault, Charles-Jean-François, 1685-1770
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unknown - Public Domain
Coffin, Tristram, 1605-1681
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Ord, William M. (William Miller), 1834-1902
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Frances Benjamin Johnston - Public Domain
Penfield, Edward, 1866-1925
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Lincoln Ellsworth - Public Domain
Polar Star (Airplane)
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Larrabee, Charles Hathaway, 1820-1883
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Clusternote - CC BY-SA 4.0
Oram, Daphne
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James Russell & Sons (from 1852) - Public Domain
Gardiner, Samuel Rawson, 1829-1902
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Public Domain
Suhrawardy, Huseyn Shaheed, 1892-1963
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Peter Minorsky, grandson of Nicolas Minorsky - CC BY-SA 1.0
Minorsky, Nicolai, 1885-1970
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Masaoka, Shiki, 1867-1902
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Californiauser001 - CC BY-SA 3.0
White, Ruth, 1914-1969
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Bain News Service, publisher - Public Domain
Hitchcock, Frank H. (Frank Harris), 1867-1935
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S. Hurok-Hurok Attractions-concert promoter - Public Domain
Thebom, Blanche
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Patrick, Gail, 1911-1980
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Nerman, Einar, 1888-
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David Starr Jordan (1851-1931) - Public Domain
Stillman, John Maxson, 1852-1923
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Kolbe, Maximilian, Saint, 1894-1941
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unknown - Public Domain
Bowen, Henry, 1841-1915
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A.J. Ehnle/P. Blommers (1852) - Public Domain
Alberdingk Thijm, J.A. (Josephus Albertus), 1820-1889
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Eugenie Gershoy - CC BY-SA 3.0
Soyer, Moses, 1899-1974