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Bain News Service (no photographer credited) - Public Domain
original uploader - Public Domain
Heinrich Klaffs - CC BY-SA 2.0
Civil War glass negative collection, Library of Congress - Public Domain
No photographer credited. - Public Domain
unknown - Public Domain
Antonio Pazzi - Public Domain
Phil Myott -
https://www.flickr.com/photos/bighairydave/ - CC BY 2.0
Ecelan -
Maurice Seymour (New York) - Public Domain
Eric Draper - Public Domain
Viardot/Formentin - Public Domain
user at project - Public Domain
CT State Library - CC BY 2.0
Walter Robertson - Public Domain
Pburka - CC BY-SA 4.0
Mathew Brady - Public Domain
w:Joshuapaquin - CC BY-SA 3.0
Image from Wikimedia Commons
Nadi, Aldo, 1899-1965
Image from Wikimedia Commons
Bain News Service (no photographer credited) - Public Domain
Warren, Whitney, 1864-1943
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original uploader - Public Domain
Mikuli, Carl
Image from Wikimedia Commons
Heinrich Klaffs - CC BY-SA 2.0
Hood, David
Image from Wikimedia Commons
Civil War glass negative collection, Library of Congress - Public Domain
Kelton, J. C. (John Cunningham), 1828-1893
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No photographer credited. - Public Domain
Lincoln, Jeanie Gould, 1846-1921
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unknown - Public Domain
Brampton, Henry Hawkins, Baron, 1817-1907
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Depero, Fortunato, 1892-1960
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Antonio Pazzi - Public Domain
Albani, Gian Francesco
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Phil Myott -
Repton School (Derby, England)
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https://www.flickr.com/photos/bighairydave/ - CC BY 2.0
Pine, Rachel Barton, 1974-
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Ecelan -
Blasco, Eusebio, 1844-1903
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Maurice Seymour (New York) - Public Domain
Ballard, Kaye
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Eric Draper - Public Domain
Lander, Bernard
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Neal, Anne D.
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Olin, Laurie
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Dee, John, 1527-1608
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Gagnon, Ernest, 1834-1915
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Pingoud, Ernest
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Viardot/Formentin - Public Domain
Weber, Gottfried, 1779-1839
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Chaplin, Lita Grey, 1908-1995
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Keeler, Charles Augustus, 1871-1937
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user at project - Public Domain
Puckey, William Gilbert, 1805-1878
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CT State Library - CC BY 2.0
Rowland, John G., 1957-
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Walter Robertson - Public Domain
Stevens, Daniel, 1746-1835
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Pburka - CC BY-SA 4.0
Chernoff, Herman.
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Mathew Brady - Public Domain
Etheridge, Emerson, 1819-1902
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Forestier, Frédéric
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Landis, Charles B. (Charles Beary), 1858-1922
Image from Wikimedia Commons
w:Joshuapaquin - CC BY-SA 3.0
Tullock, Gordon.