2 | | The Grapes of New York | HEDRICK, U.P. | J.B. Lyon Company, Albany | 1908 | PRESIDENT | 502 |
237 | | American grape varieties | DIX, I.W.; MAGNESS, J.R. | U.S. Dep. of Agriculture, Washington D.C. (437) 1-33 | 1937 | PRESIDENT | 32 |
257 | | Foundations of American grape culture | MUNSON, T.V. | T.V. Munson & Son, Denison (Texas) | 1909 | PRESIDENT | 167 |
505 | | Dictionnaire Encyclopédique des Cépages | GALET, P. | Hachette | 2000 | PRESIDENT | 647 |
40503 | | USDA GRIN Germplasm Resources Information Network | ANONYMOUS | United States Department of Agriculture, Agricultural Research Service | 2016 | PRESIDENT | 1034 |
854 | | Dictionnaire encyclopédique des cépages et de leurs synonymes | GALET, P. | Éditions Libre & Solidaire (M.E.C.) | 2015 | PRESIDENT | 895 |