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unknown photographer - Public Domain
Sonia y natalia - CC BY-SA 3.0
Erling Mandelmann - CC BY-SA 3.0
Rosetta Reitz, Duke University - CC BY-SA 3.0
Stephen Wolfram's PR team/Stephen Faust - CC BY-SA 3.0
Agence photographique de la Réunion des Musées Nationaux. - Public Domain
Kencf0618 - CC BY-SA 3.0
Juliet Trail - CC BY-SA 2.0
unknown - Public Domain
E.mihaescu - CC BY-SA 4.0
Berthe MM - CC BY-SA 3.0
Florida Center for Instructional Technology -
NBC Television - Public Domain
From 1885's "A History of Farmington, Franklin County, Maine" by Francis Gould Butler. - Public Domain
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Dayes, Edward, 1763-1804
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Harding, Abner C.
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Negroponte, Nicholas.
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unknown photographer - Public Domain
Milmore, Martin, 1844-1883
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Koyré, Alexandre, 1892-1964
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Girolamo, di Benvenuto, 1470-1524
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Sonia y natalia - CC BY-SA 3.0
Satie, Erik, 1866-1925
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Erling Mandelmann - CC BY-SA 3.0
Bentzon, Niels Viggo, 1919-2000
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Lincoln, Abraham, 1809-1865
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Rosetta Reitz, Duke University - CC BY-SA 3.0
Reitz, Rosetta
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Stephen Wolfram's PR team/Stephen Faust - CC BY-SA 3.0
Wolfram, Stephen
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Agence photographique de la Réunion des Musées Nationaux. - Public Domain
DuBourg, Louis William Valentine, 1766-1833
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Kencf0618 - CC BY-SA 3.0
LeFavour, Nicole, 1964-
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Juliet Trail - CC BY-SA 2.0
Beattie, Ann
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Davanzati, Bernardo, 1529-1606
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Whitney, Claire, 1890-1969
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Simon, James
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unknown - Public Domain
Le Coq, Albert von 1860-1930
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Schindler, Anton, 1795-1864
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Pope, Jack, 1913-
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Gregory XIV, Pope, 1535-1591
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E.mihaescu - CC BY-SA 4.0
Mihaesco, Eugene, 1937-...
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Berthe MM - CC BY-SA 3.0
Monory, Jacques, 1934-....
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Farnham, Paulding, 1859-1927
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Hebel, Johann Peter, 1760-1826
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Florida Center for Instructional Technology -
Tenney, William Jewett, 1814-1883
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NBC Television - Public Domain
Blue, Ben, 1901-1975
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From 1885's "A History of Farmington, Franklin County, Maine" by Francis Gould Butler. - Public Domain
Belcher, Hiram, 1790-1857
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unknown - Public Domain
Lumbye, H. C. (Hans Christian), 1810-1874
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Beresford, John, 1738-1805