237 | | American grape varieties | DIX, I.W.; MAGNESS, J.R. | U.S. Dep. of Agriculture, Washington D.C. (437) 1-33 | 1937 | | 20 |
257 | | Foundations of American grape culture | MUNSON, T.V. | T.V. Munson & Son, Denison (Texas) | 1909 | BERCKMANS | 120 |
233 | | Grape development and improvement. Yearbook of Agriculture 1937, 631-664 | SNYDER, E. | U.S. Government Printing Office, Washington | 1937 | | 638 |
120 | | Handbuch der Ampelographie | GOETHE, H. | Verlagsbuchhandlung Paul Parey, Berlin | 1887 | BERCKMANNS | 182 |
30 | | Histoire des Principales Variétés et Espèces de Vigne d'Origine Américaine | MILLARDET, A. | Ulrico Hoepli, Milan | 1885 | | 129 |
401 | | Kultur und Beschreibung der amerikanischen Weintrauben | BABO, A. VON; RÜMPLER, T. | Verlagsbuchhandlung Paul Parey, Berlin | 1885 | | 154 |
2 | | The Grapes of New York | HEDRICK, U.P. | J.B. Lyon Company, Albany | 1908 | | 182 |
40503 | | USDA GRIN Germplasm Resources Information Network | ANONYMOUS | United States Department of Agriculture, Agricultural Research Service | 2016 | BERCKMANS | 1394 |