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Grape Growing
http://www.siu.edu/~ebl/leaflets/grapes.htm
Article on the history of human use of Vitis vinifera.
Muscadine Grape Fruit Facts
http://www.crfg.org/pubs/ff/muscadinegrape.html
Description and culture of Vitis rotundifolia.
Native North American Grapes and Wines
http://winemaking.jackkeller.net/natives.asp
Descriptions of several species.
Vitis orientalis
http://www.dipbot.unict.it/orto/0838-1.html
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