Flora Batava, deel 14, Jan Kops en F. W. van Eeden (1872)
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A guide to wild flowers, A. Lounsberry, E.Rowan (1899)
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Birds of America [double elephant folio edition], J.J. Audubon (1826-1838)
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The garden. An illustrated weekly journal of horticulture in all its branches, deel 42, William Robinson (1892)
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