2 | | The Grapes of New York | HEDRICK, U.P. | J.B. Lyon Company, Albany | 1908 | CHAMPANEL | 446 |
233 | | Grape development and improvement. Yearbook of Agriculture 1937, 631-664 | SNYDER, E. | U.S. Government Printing Office, Washington | 1937 | | 638 |
237 | | American grape varieties | DIX, I.W.; MAGNESS, J.R. | U.S. Dep. of Agriculture, Washington D.C. (437) 1-33 | 1937 | CHAMPANEL | 27 |
257 | | Foundations of American grape culture | MUNSON, T.V. | T.V. Munson & Son, Denison (Texas) | 1909 | CHAMPANEL | 149 |
334 | | Cépages et Vignobles de France. Les vignes américaines, Tome 1, 2e édition | GALET, P. | Charles Dehan, Montpellier | 1988 | | 340 |
40503 | | USDA GRIN Germplasm Resources Information Network | ANONYMOUS | United States Department of Agriculture, Agricultural Research Service | 2016 | CHAMPANEL | 958 |
1106 | | Grape Varieties in India | CHADHA, K. L.; RANDHAWA G. S. | Indian Council of Agricultural Research, New Delhi | 1974 | CHAMPANEL | 74 |