2 | | The Grapes of New York | HEDRICK, U.P. | J.B. Lyon Company, Albany | 1908 | DELAGO | 452 |
156 | | Dessert grapes - Selection of varieties with exceptional quality (part 2) | BARRETT, H.C. | Fruit Varieties and Horticultural Digest 21 (1) 11-15 | 1967 | | 13 |
257 | | Foundations of American grape culture | MUNSON, T.V. | T.V. Munson & Son, Denison (Texas) | 1909 | DELAGO | 143 |
505 | | Dictionnaire Encyclopédique des Cépages | GALET, P. | Hachette | 2000 | DELAGO | 251 |
854 | | Dictionnaire encyclopédique des cépages et de leurs synonymes | GALET, P. | Éditions Libre & Solidaire (M.E.C.) | 2015 | DELAGO | 378 |
40503 | | USDA GRIN Germplasm Resources Information Network | ANONYMOUS | United States Department of Agriculture, Agricultural Research Service | 2016 | DELAGO | 565 |