This is the one of the best compiled work on Herbs nad gardening!
by Suzanne DeMuth
Alternative Farming Systems Information Center, Information Centers
Branch
National Agricultural Library, Agricultural Research Service,
U.S. Department of Agriculture
Beltsville, Maryland 20705-2351
Link for you : http://www.nal.usda.gov/afsic/AFSIC_pubs/srb9606.htm#2C
Enjoy!