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Cactus And Succulent Society Of America - CC BY-SA 2.5
Tom Marcello - CC BY-SA 2.0
Studio G. L. Manuel frères, Paris - Public Domain
Photo not credited in any obvious way - Public Domain
U.S. Department of Veterans Affairs - Public Domain
Mathew Brady - Public Domain
Bain - Public Domain
Author unknown<br>Contributor: LDS Church Archives - Public Domain
H. P. Hansen - Public Domain
unknown - Public Domain
John Stephen Farrell - CC BY-SA 3.0
Geert Vandepoele - CC BY-SA 2.0
John Plumbe, Jr. - Public Domain
Rob T Firefly -
Press Biographical - Public Domain
The Weekly Times, Melbourne, Victoria - Public Domain
Public Domain
:w:nl:Erik Joling - CC BY-SA 2.5
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Amend, Bill
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Cactus And Succulent Society Of America - CC BY-SA 2.5
Pittier, Henri, 1857-1950
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Tom Marcello - CC BY-SA 2.0
Ford, Ricky
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Studio G. L. Manuel frères, Paris - Public Domain
Mauclair, Camille
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Stuart, Louisa Maria
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Arndt, Ernst Moritz, 1769-1860
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Photo not credited in any obvious way - Public Domain
Squire, Watson C. (Watson Carvosso), 1838-1926
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St.Denis, Ruth, 1880-1968
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U.S. Department of Veterans Affairs - Public Domain
Derwinski, Edward J. (Edward Joseph), 1926-2012
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Mathew Brady - Public Domain
Carlile, John S. (John Snyder), 1817-1878
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Bain - Public Domain
Townsend, Harry Everett
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Bonvalot, Gabriel, 1853-1933
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Knibbs, George, Sir, 1858-1929
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Chamberlain, Neville, Sir, 1820-1902
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Author unknown<br>Contributor: LDS Church Archives - Public Domain
Bennett, John Cook, 1804-1867
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H. P. Hansen - Public Domain
Lie, Jonas, 1833-1908
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unknown - Public Domain
Parry, Milman.
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John Stephen Farrell - CC BY-SA 3.0
Farrell, Stephen, 1962-
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Geert Vandepoele - CC BY-SA 2.0
Schneider, Maria, 1960-
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John Plumbe, Jr. - Public Domain
Binns, John, 1772-1860
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Rob T Firefly -
Mcgruder, Aaron
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unknown - Public Domain
Péralte, Charlemagne, -1919
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Walpole, Horace, 1717-1797
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Press Biographical - Public Domain
Havemeyer, Henry Osborne, 1847-1907
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The Weekly Times, Melbourne, Victoria - Public Domain
Saunders, E. R. (Edith Rebecca), 1865-
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unknown - Public Domain
Jewsbury, Geraldine Endsor, 1812-1880
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Public Domain
Jenks, Tudor, 1857-1922
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:w:nl:Erik Joling - CC BY-SA 2.5
Gauthier, Mary
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Ondříček, František, 1857-1922
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La Roche, Sophie von 1731-1807