European Commission (regulations) - www.europa.eu.int/
Tobacco BBS - www.tobacco.org/
USDA Tobacco Program - www.ams.usda.gov/tob/
North American Blue Mould Forecasting Service - www.ces.ncsu.edu/depts/pp/bluemold/
History of Tobacco - http://www.lib.ncsu.edu/exhibits/tobacco/thistory.html
Tobacco Info (University of Tennessee) - tobaccoinfo.utk.edu
Virginia Tech Extension Services - www.ext.vt.edu/
ITGA (International Tobacco Growers Association) - www.tobaccoleaf.org/
Entomology - http://entweb.clemson.edu/index.htm
Tobacco Merchants Association - www.tma.org
Association pour la Recherche sur les Nicotianées - www.arn.asso.fr
Altadis Institut du Tabac de Bergerac - www.altadis-bergerac.com
University of Kentucky - www.uky.edu/Ag/Tobacco/