Ginseng, Goldenseal, and Other Native Roots, Katherine L. Adam, October 2004, Appropriate Technology Transfer for Rural Areas (ATTRA)
Goldenseal cultivation and use, from Botanical.com
Commercial Goldenseal Cultivation, by Jeanie M. Davis, Extension Horticultural Specialist and Joe-Ann McCoy, Research Assistant, NC State University. Revised July 2000.
An Online Guide to Plant Disease Control, Oregon State University. Excellent color plates.
Organic goldenseal production enterprise budget, 1/31/2001, prepared by Roger Sego, NW Ginseng Growers Association President
Northwest Ginseng Growers Association, 2001, La Center, WA. This site offers root for sale, and talks about the Northwest's developing industry.
Goldenseal's Future, 2009, Steven Foster, an excellent update on the current prices of this medicinal herb, with a review of international trade.
Goldenseal – Threatened Status in Canada, 2000. Canadian Species At Risk Act.