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Ellis & Walery (Alfred Ellis (1854-1930) and Stanislaw Julian Ignacy, Count Ostrorog (1863-1935)):Category:Lucien Walery, [http://www.photohistory-sussex.co.uk/EastbnePhotgrsR.htm] - Public Domain
Fulda - Public Domain
Dookas27018 - CC BY-SA 3.0
Giogo - CC BY-SA 4.0
Al pie de la imagen figuran los datos de su autor. - Public Domain
author - Public Domain
Francisco Villamena ((Engraver:Jean Leclerc (1585-1633))) - Public Domain
Lajos Tihanyi - Public Domain
Ermell - CC BY 3.0
Churchman Company - Public Domain
EW Tipping Foundation - Public Domain
Mathew Brady - Public Domain
Romu2345 - CC BY-SA 4.0
Aaabdolrashidi - CC BY-SA 4.0
unknown - Public Domain
Karl Ginkelman (?), "A. Eichenwald artistic photography", Moscow - Public Domain
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Hoboken, Anthony van 1887-1983
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Ellis & Walery (Alfred Ellis (1854-1930) and Stanislaw Julian Ignacy, Count Ostrorog (1863-1935)):Category:Lucien Walery, [http://www.photohistory-sussex.co.uk/EastbnePhotgrsR.htm] - Public Domain
Chambers, C. Haddon (Charles Haddon), 1860-1921
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Sulte, Benjamin, 1841-1923
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Fulda - Public Domain
Alcuin, 735-804
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Rapacki, Adam, 1909-1970
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Dookas27018 - CC BY-SA 3.0
Seward, Olive Risley, 1844-1906
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Katz, Jack, 1927-
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Giogo - CC BY-SA 4.0
William, of Auvergne, Bishop of Paris, 1180-1249
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Al pie de la imagen figuran los datos de su autor. - Public Domain
Ferreras García, Juan de, 1652-1735
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Glinsky, Vincent, 1895-1975
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author - Public Domain
Westwood, William, 1820-1846
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Francisco Villamena ((Engraver:Jean Leclerc (1585-1633))) - Public Domain
Clavius, Christoph, 1538-1612
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Lajos Tihanyi - Public Domain
Wittfogel, Karl August, 1896-1988
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Ermell - CC BY 3.0
Stein, Horst, 1928-2008
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Taube, Henry, 1915-2005
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Maisch, John M. (John Michael), 1831-1893
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Churchman Company - Public Domain
Paret, William, 1826-1911
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EW Tipping Foundation - Public Domain
Tipping, Marjorie
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Mathew Brady - Public Domain
Borland, Solon, 1808-1864
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Carol, Sue, 1907-1982
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Sauer, Carl Ortwin, 1889-1975
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Romu2345 - CC BY-SA 4.0
Wright, Judith, 1915-2000
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Mascagni, Pietro, 1863-1945
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Aaabdolrashidi - CC BY-SA 4.0
Avery, Peter, 1923-2008
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unknown - Public Domain
Allen, William Francis, 1830-1889
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Donlin, Mike
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André-Deshays, Claudie, 1957-
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Karl Ginkelman (?), "A. Eichenwald artistic photography", Moscow - Public Domain
Bossi, Marco Enrico
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unknown - Public Domain
Deutsch, Julius, 1884-1968
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Bartlett, Murray, 1971-