Image from Wikimedia Commons
Benoit Willot - CC BY-SA 3.0
Joe Vitale 5 - CC BY-SA 4.0
unknown - Public Domain
George S. Cook - Public Domain
Edward Sanford Harrison (editor-publisher); photographer unknown - Public Domain
Jonathan S Knowles - CC BY-SA 4.0
Сканирован и загружен Максимом Мальковым - CC0 1.0
Rocky Mountain Husbandman (Great Falls, MT), publisher. - Public Domain
Marcvjnicolas - CC BY-SA 3.0
Ebenezer Pannell - Brighton & Hove Photographer - Public Domain
John Plumbe, Jr. - Public Domain
NBC Television - Public Domain
Simon Fernandez at https://www.flickr.com/people/40550965@N05 - CC BY 2.0
Public Domain
Senontivedo - CC BY-SA 4.0
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Benoit Willot - CC BY-SA 3.0
Petit, Paul, 1893-1944
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Visser 't Hooft, Willem Adolph, 1900-1985
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Joe Vitale 5 - CC BY-SA 4.0
Jakszyk, Jakko M.
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unknown - Public Domain
Parton, James, 1822-1891
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Furchgott, Robert F., 1916-2009
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Link, Heinrich Friedrich, 1767-1851
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unknown - Public Domain
Kerns, Maude I. (Maude Irvine), 1876-1965
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Suckley, Margaret, 1891-1991
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Borchardt, Carl Wilhelm, 1817-1880
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George S. Cook - Public Domain
Ripley, R. S. (Roswell Sabine), 1823-1887
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Giovanni d'Andrea, approximately 1270-1348
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Edward Sanford Harrison (editor-publisher); photographer unknown - Public Domain
Rowe, P. T. (Peter Trimble), 1856-1942
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Jonathan S Knowles - CC BY-SA 4.0
Explorers Club
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Сканирован и загружен Максимом Мальковым - CC0 1.0
Bechi, Gino
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Rocky Mountain Husbandman (Great Falls, MT), publisher. - Public Domain
Smith, Robert Burns, 1854-1908
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Obaldía, José de, 1806-1889
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unknown - Public Domain
Hardy, Porter, 1903-1995
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Marcvjnicolas - CC BY-SA 3.0
Raynouard, M. (François-Just-Marie), 1761-1836
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Arnim, Hans Georg von 1583-1641
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Ebenezer Pannell - Brighton & Hove Photographer - Public Domain
Jones, William Cole, 1881-1951
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John Plumbe, Jr. - Public Domain
Binns, John, 1772-1860
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Bergh, Rudolph, 1859-1924
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Kadochnikova, Larisa
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Wilentz, Amy
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Rich, Irene, 1891-1988
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NBC Television - Public Domain
Lo Bianco, Tony
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Simon Fernandez at https://www.flickr.com/people/40550965@N05 - CC BY 2.0
Newman, Thomas, 1955-....
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Public Domain
Sullivan Brothers (Family)
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Senontivedo - CC BY-SA 4.0
Strasnoy, Oscar
Image from Wikimedia Commons
Pojar, Břetislav 1923-