The Rhubarb Compendium, a store-house of information from all over the world:growing, harvesting, cooking, preserving. 2004.
Rhubarb, Commercial Vegetable Guide, Del Hemphill, Oregon State University. Your all-in-one guide to the production, harvesting, and pest control with rhubarb. 2004.
Rhubarb Herbicides, by Ed Peachey, Oregon State University.. Revised November 2008.
Washington Rhubarb Growers Association, P.O. Box 887, Sumner, WA 98390, 253-863-7333, or e-mail at: email@example.com.