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unknown - Public Domain
Budfester - CC BY-SA 4.0
Angela George - CC BY-SA 3.0
Neozoon - CC0 1.0
original uploader - CC BY 2.5
erica - CC BY-SA 2.0
California State Library - Public Domain
Illustrator unknown, medal by Steven van Herwijck - Public Domain
Ianthus - CC BY-SA 4.0
unknown photographer - Public Domain
Cyprian Kamil Norwid - Public Domain
Wikillinois - CC BY-SA 3.0
Eligio Ancona del Castillo -
Anonyme - Anonymous - Public Domain
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unknown - Public Domain
Dayot, Armand, 1851-1934
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Gwynne, H. A. (Howell Arthur), 1865-1950
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Boulanger, Georges-Ernest-Jean-Marie, 1837-1891
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Budfester - CC BY-SA 4.0
George, Jean Craighead, 1919-2012
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Angela George - CC BY-SA 3.0
Gordy, Berry.
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Tansley, A. G. (Arthur George), Sir, 1871-1955
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Neozoon - CC0 1.0
Montalivet, Jean-Pierre Bachasson, comte de, 1766-1823
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Dambray, Charles Henri 1760-1829
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unknown - Public Domain
Flanigan, Peter M. (Peter Magnus), 1923-2013
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O'Shea, William Henry, 1840-1905
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Davidson, Nancy, 1943-
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Merriam, William Rush, 1849-1931
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Skipworth, Alison, 1863-1952
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Craft, Robert
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Abani, Christopher
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original uploader - CC BY 2.5
Ames, Bruce N.
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Li, Choh-Ming, 1912-
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erica - CC BY-SA 2.0
Burns, Steven, 1973-
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Nutting, M. Adelaide (Mary Adelaide), 1858-1948
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Hincks, Edward, 1792-1866
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California State Library - Public Domain
Mosk, Stanley, 1912-2001
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Illustrator unknown, medal by Steven van Herwijck - Public Domain
Castelnau, Michel de, sieur de la MauvissieĢre, -1592
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Ianthus - CC BY-SA 4.0
Nash, Marilyn
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unknown photographer - Public Domain
Aavik, Juhan
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Jones, Gemma
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Cyprian Kamil Norwid - Public Domain
Kalergi, Maria, 1822-1874
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Wikillinois - CC BY-SA 3.0
Beschloss, Michael R.
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Eligio Ancona del Castillo -
Ancona, Eligio, 1836-1893
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Anonyme - Anonymous - Public Domain
Russell, G. Horne.
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Reyes, Silvestre, 1944-