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unknown - Public Domain
C. M. Stieglitz, World Telegram staff photographer - Public Domain
Johnston, Frances Benjamin, 1864-1952, photographer. - Public Domain
Johann Friedrich Bolt - Public Domain
1st Lieutenant Gordon A. Stevens - Public Domain
Talbot (no information re: where the shown location may be) - Public Domain
John Singer Sargent - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Soulpatch music - CC BY-SA 4.0
Public Domain
Schorle - CC BY-SA 3.0
Homo olympus - CC BY 2.0
Spacerockunit - Public Domain
Konstantin Kapıdağlı - Public Domain
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unknown - Public Domain
Sanders, Daniel, 1819-1897
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C. M. Stieglitz, World Telegram staff photographer - Public Domain
Post, Marjorie Merriweather, 1887-1973
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Johnston, Frances Benjamin, 1864-1952, photographer. - Public Domain
White, Edward-Douglass, 1845-1921
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Johann Friedrich Bolt - Public Domain
Gilbert, Ludwig Wilhelm, 1769-1824
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1st Lieutenant Gordon A. Stevens - Public Domain
Eichelberger, Robert L.
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Talbot (no information re: where the shown location may be) - Public Domain
Margetson, Arthur
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John Singer Sargent - Public Domain
Vanderbilt, George Washington, 1862-1914
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Mathew Brady Levin Corot Handy - Public Domain
Saulsbury, Willard, 1820-1892
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Lederer, Francis, 1899-2000
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Soulpatch music - CC BY-SA 4.0
Israels, Chuck
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Mackin, Sean
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Dorset, Thomas Sackville, Earl of, 1536-1608
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Kinnaird, Douglas, 1788-1830
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Vetch, Samuel, 1668-1732
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Public Domain
Patrick, Mason M. (Mason Mathews), 1863-1942
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Welker, Martin, 1819-
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Schorle - CC BY-SA 3.0
Gibson, Laura
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Alexandre, Arséne, 1859-1937
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Monsigny, Pierre-Alexandre, 1729-1817
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Homo olympus - CC BY 2.0
Kitt, Eartha, 1927-2008
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Spacerockunit - Public Domain
Grenier, Jean, 1898-1971
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unknown - Public Domain
Güiraldes, Ricardo, 1886-1927
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Brennan, T. Casey
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Konstantin Kapıdağlı - Public Domain
Selim III, Sultan of the Turks, 1761-1808
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Clench, William James, 1897-1984
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Ball, John, -1381
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Medici, Giovanni de, 1563-1621
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Schlaf, Johannes, 1862-1941
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unknown - Public Domain
Rickert, Heinrich, 1863-1936
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McCaffrey, Anne, 1926-2011