Soybean Marketing and Economic Information
http://cherokee.agecon.clemson.edu/soybeans.htm
United Soybean Board
http://www.unitedsoybean.org/
Purdue University Agronomy Guide
http://www.ces.purdue.edu/extmedia/AY/AY-217.html
NC Cooperative Extension's Guide to Reducing Soybean Harvest Losses
http://ipm.ncsu.edu/soybeans/agronomy/soybean_loss.html
Interactive Soybean Diagnostic Guide
http://www.psu.missouri.edu/soydoc/startup.htm