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NBC Radio - Public Domain
original uploader - Public Domain
Smithsonian Institution -
unknown - Public Domain
The Heart Truth - Public Domain
US Government Printing Office - Public Domain
. - Public Domain
eu - CC BY-SA 3.0
No photographer named in original source. - Public Domain
Daderot - CC0 1.0
Labadye - Public Domain
Barbararz - CC0 1.0
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NBC Radio - Public Domain
Guest, Edgar A. (Edgar Albert), 1881-1959
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original uploader - Public Domain
Caldwell, Wilson, 1841-1898
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Smithsonian Institution -
Trotter, Mildred, 1899-1991
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unknown - Public Domain
Jastrow, Morris, Jr., 1861-1921
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Coin, Christophe
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Schober, Franz von 1796-1882
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unknown - Public Domain
Liebknecht, Johann Georg, 1679-1749
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Catherine, of Valois, Queen, consort of Henry V, King of England, 1401-1437
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unknown - Public Domain
Alain, 1868-1951
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The Heart Truth - Public Domain
Johnson, Beverly
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Condé, Louis, prince de, 1621-1686
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US Government Printing Office - Public Domain
Thomson, Vernon Wallace, 1905-1988
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unknown - Public Domain
Tobias, Channing H. (1882-1961).
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unknown - Public Domain
Richards, Linda, 1841-1930
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. - Public Domain
Du Pont, Lammot, 1831-1884
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eu - CC BY-SA 3.0
Azkue, Resurrección María de, 1864-1951
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No photographer named in original source. - Public Domain
Dargan, Olive Tilford, 1869-1968
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Searles, Colbert, 1873-1947
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Turgenev, Nikolaĭ, 1789-1871
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unknown - Public Domain
Horn, George H. (George Henry), 1840-1897
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Varnhagen, Rahel, 1771-1833
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Potter, Monica
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Daderot - CC0 1.0
Eno, William Phelps, 1858-
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unknown - Public Domain
Jacobson, Ludvig Lewin, 1783-1843
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Labadye - Public Domain
Delandine, Ant. Fr. (Antoine François), 1756-1820
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Rossetti, Christina Georgina, 1830-1894
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Barbararz - CC0 1.0
Romanowiczowa, Zofia
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unknown - Public Domain
Nu, U, 1907-1995
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Starkweather, H. H. (Henry Howard), 1826-1876
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Newman, Barry, 1938-...