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Bastin - CC BY-SA 3.0
MiliHell - CC BY-SA 3.0
Estrella Díaz - Public Domain
Adna Tenney, 1862 - Public Domain
Freie Interessengemeinschaft für Grenz- und Geisteswissenschaften und Ufologiestudien, CH-8495 Schmidrüti - CC BY-SA 2.5
Unknown - Public Domain
Peter Lely - Public Domain
Matthew C. Wright -
original uploader - Public Domain
User at project link - Public Domain
unknown Photograf - Public Domain
Justus Sustermans - Public Domain
Johannes Jacobus (Jan) Mesker (1853-1890) - Public Domain
unbekannter Künstler - Public Domain
Alixkovich - CC BY-SA 4.0
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Bastin - CC BY-SA 3.0
Hannan, Daniel
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Frisch, Frank
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MiliHell - CC BY-SA 3.0
Rawls, Lou
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Estrella Díaz - Public Domain
Ferré, Luis Alberto
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Carvalho, Léon 1825-1897
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Zukav, Gary.
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Proust, Joseph Louis, 1754-1826
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Reitz, Francis William, 1844-1934
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Adna Tenney, 1862 - Public Domain
Berry, Nathaniel Springer, 1796-1894
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Astier, Emmanuel d', 1900-1969
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Freie Interessengemeinschaft für Grenz- und Geisteswissenschaften und Ufologiestudien, CH-8495 Schmidrüti - CC BY-SA 2.5
Meier, Eduard
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Unknown - Public Domain
Venturi, Lionello, 1885-1961
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Prime, Nathaniel, 1768-1840
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Best, Elsdon, 1856-1931
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Fleming, Marjorie, 1803-1811
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Brooks, Shirley, 1816-1874
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Hill, John Philip, 1879-
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Winkworth, Catherine, 1827-1878
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Peter Lely - Public Domain
Lawson, John, Sir, d. 1665
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Matthew C. Wright -
Sachar, Louis, 1954-....
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original uploader - Public Domain
Andrews, Roy Chapman, 1884-1960
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Gershwin, George, 1898-1937
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User at project link - Public Domain
Schell, Maria, 1926-2005
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unknown Photograf - Public Domain
Leoncavallo, Ruggero
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Barber, Samuel, 1910-1981
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Justus Sustermans - Public Domain
Cosimo II, Grand Duke of Tuscany, 1590-1621
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Johannes Jacobus (Jan) Mesker (1853-1890) - Public Domain
Hol, Rijk, 1825-1904
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unbekannter Künstler - Public Domain
Stewart, David, 1800-1858
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Doby, Larry, 1923-2003
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Alixkovich - CC BY-SA 4.0
Didonato, Joyce