Information sent to the Variety Registration Office and/or Plant Breeders' Rights Office of the Canadian Food Inspection Agency by the breeder or the appliquant.
Atlantic provinces agricultural services coordinating committee, 2001, Potato Crop - Variety, Weed and Pest Control Guide, AGDEX 257, Canada, Internet version (PDF format), 13 p.
European Cultivated Potato Database, www.europotato.org , website maintained by The Scottish Agricultural Science Agency; collaboration from 8 European Union Countries and 5 East European Countries.
Love S.L., Baker T.P., Ojala J.C., Pavek J.J., Corsini D.L.,1993, Varieties in the Pacific Northwest, Pacific Northwest Extension Publication - Idaho, Oregon, Washington, PNW 454, USA, 24 p.
New Brunswick Department of Agriculture and Rural Development, 1997, Potato varieties in Canada, AGDEX 161/33, Canada, 135 p.
Netherlands Consultative Potato Institute (NIVAA), Netherlands Catalogue of Potato Varieties 2007, 288 p. and Online Catalogue
Potato Association of America, American Journal of Potato Research, Maine, USA.