February 2009. A comprehensive report (PDF) on organic crop production in the state, including acreage totals by crop and county, farmgate sales by county, and results from the 2007 Census of Agriculture.
July 2008. A report on a 2007 statewide survery of organic producers done by Dr. Jessica Goldberger, WSU Community and Rural Sociology. CRS Information Series No. 1-08, Pullman, WA.