Image from Wikimedia Commons
unknown - Public Domain
Koeniglicher Hoffotograf - Public Domain
Not identified - Public Domain
Tobias Stimmer - Public Domain
Happyme22 -
Juangris - CC BY-SA 4.0
Photographer unknown. Subject (Hill) deceased. - Public Domain
Shigeru Tamura -
Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
original uploader - Public Domain
Chief Mass Communication Specialist Michael W. Pendergrass - Public Domain
photographer not credited at intermediate source - Public Domain
Unknown 1920 -
Public Domain
Image from Wikimedia Commons
Butler, Edward Hubert, 1850-1914
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Broca, Paul, 1824-1880
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Paxton, Joseph, Sir, 1803-1865
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Burmester, Willy, 1869-1933
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Pregl, Fritz, 1869-1930
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Heinrichs, Erik, 1890-1965
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unknown - Public Domain
Menéndez, Francisco 1830-1890
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Koeniglicher Hoffotograf - Public Domain
Mohl, Ottmar von.
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Wolsey, Thomas, 1475?-1530
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Not identified - Public Domain
Martin, W.A.P. (William Alexander Parsons), 1827-1916
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Tobias Stimmer - Public Domain
Musculus, Wolfgang, 1497-1563
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Happyme22 -
Ryan, Frederick J.
Image from Wikimedia Commons
Dalida
Image from Wikimedia Commons
Juangris - CC BY-SA 4.0
Isou, Isidore.
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Photographer unknown. Subject (Hill) deceased. - Public Domain
Hill, A. V. (Archibald Vivian), 1886-1977
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Sologub, Fyodor, 1863-1927
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Shigeru Tamura -
Kihara, Hitoshi.
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Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
Parish-Alvars, Elias, 1808-1849
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Ascham, Roger, 1515-1568
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original uploader - Public Domain
Walker, Edmund, Sir, 1848-1924
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Coleman, Georgia, 1912-1940
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Vincent Ferrer, Saint, approximately 1350-1419
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Andrews, C. F. (Charles Freer), 1871-1940
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Schmidt, Fred, 1943-
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Chief Mass Communication Specialist Michael W. Pendergrass - Public Domain
Buffett, Jimmy
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photographer not credited at intermediate source - Public Domain
Matas, Rudolph, 1860-1957
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Unknown 1920 -
Lunel, Armand, 1892-1977
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unknown - Public Domain
Stockton, Richard, 1764-1828
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Bullinger, Heinrich, 1504-1575
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Public Domain
Pollock, Edwin A. (Edwin Allen), 1899-1982