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Eulenberg - CC BY-SA 3.0
Edward Villiers Rippingille - Public Domain
Litho by unknown artist - Public Domain
Public Domain
Anonymous -
Benjamin Steinberg (1916 - 1974) - CC BY 1.0
Cactus And Succulent Society Of America - CC BY-SA 2.5
Marie-Lan Nguyen (Jastrow) - CC BY-SA 2.5
Illustration is uncited, but the journal editors are: Charles Dudley Warner, Hamilton Wright Mabie, Mrs. Lucia Isabella (Gilbert) Runkle, George H. Warner - Public Domain
work of the U.S. Government - Public Domain
Bull-Doser - Public Domain
Landivisiau - CC BY-SA 4.0
Susan Isabel Dacre (1844-1933) - Public Domain
original uploader - Public Domain
USCapitol - Public Domain
unknown - Public Domain
Yoshi Canopus - CC BY-SA 3.0
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Eulenberg - CC BY-SA 3.0
Eulenberg, Herbert, 1876-1949
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Edward Villiers Rippingille - Public Domain
Rippingille, Edward Villiers, 1798?-1859
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Litho by unknown artist - Public Domain
Lindblad, Adolf Fredrik, 1801-1878
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Smith, Holland M. (Holland McTyeire), 1882-1967
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Hall, Bobbye
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Dunlap, G. W. (George Washington), 1813-1880
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Public Domain
Dumont, AndreĢ, 1809-1857
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Anonymous -
Farquhar, J. N. (John Nicol), 1861-1929
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Lau, Andy, 1961-....
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Benjamin Steinberg (1916 - 1974) - CC BY 1.0
Walker, George, 1922-2018
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Cactus And Succulent Society Of America - CC BY-SA 2.5
Pittier, Henri, 1857-1950
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Marie-Lan Nguyen (Jastrow) - CC BY-SA 2.5
Pingeot, Mazarine
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Illustration is uncited, but the journal editors are: Charles Dudley Warner, Hamilton Wright Mabie, Mrs. Lucia Isabella (Gilbert) Runkle, George H. Warner - Public Domain
Barlow, Jane, 1857?-1917
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work of the U.S. Government - Public Domain
Murphy, George, 1902-1992
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Bull-Doser - Public Domain
Chapleau, Serge, 1945-
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Landivisiau - CC BY-SA 4.0
Black, Diane, 1951-
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Lazar, Prince of Serbia, approximately 1329-1389
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Susan Isabel Dacre (1844-1933) - Public Domain
Becker, Lydia, 1827-1890
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Botticini, Francesco, 1446-1497
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original uploader - Public Domain
Kupffer, Carl von, 1829-1902
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Rogers, Ginger, 1911-1995
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Menzel, Wolfgang, 1798-1873
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Francken, Frans, 1581-1642
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USCapitol - Public Domain
Woods, Elliott, 1864-1923
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Soumet, Alexandre, 1788-1845
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unknown - Public Domain
Loring, J. Alden (John Alden), 1871-1947
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Andrews, John Nevins, 1829-1883
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Yoshi Canopus - CC BY-SA 3.0
Kobayashi, Issa, 1763-1827
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Appleton, Samuel, 1766-1853
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Voorhis, Jerry, 1901-1984