2 | | The Grapes of New York | HEDRICK, U.P. | J.B. Lyon Company, Albany | 1908 | | 414 |
29 | | Les Vignes Américaines. Porte-greffes et Producteurs-directs | RAVAZ, L. | Coulet et Fils, Montpellier; Masson et Cie., Paris | 1902 | | 76 |
120 | | Handbuch der Ampelographie | GOETHE, H. | Verlagsbuchhandlung Paul Parey, Berlin | 1887 | | 204 |
237 | | American grape varieties | DIX, I.W.; MAGNESS, J.R. | U.S. Dep. of Agriculture, Washington D.C. (437) 1-33 | 1937 | | 24 |
401 | | Kultur und Beschreibung der amerikanischen Weintrauben | BABO, A. VON; RÜMPLER, T. | Verlagsbuchhandlung Paul Parey, Berlin | 1885 | | 261 |
40503 | | USDA GRIN Germplasm Resources Information Network | ANONYMOUS | United States Department of Agriculture, Agricultural Research Service | 2016 | ULSTER | 251 |