References |
- The Brooks and Olmo Register of Fruit & Nut Varieties. Third Edition. 1997. ASHS Press, Alexandria, Virginia.
- Vitis International Variety Catalogue (VIVC). Federal Centre for Breeding Research on Cultivated Plants (BAZ).
Institute for Grapevine Breeding Geilweilerhof (IRZ). August, 2007. Link
The former National Grape Registry (NGR) was initially compiled and annotated using the earlier version of the Vitis database. The VIVC underwent a significant update beginning in 2007. Corresponding updates to this Registry will be made as necessary.
- Grapevine Breeding and Genetics Program. New York State Agricultural Experiment Station, Cornell University, Geneva, New York.
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