Lactational Pharmacology and Therapeutics (Tom Hale, PhD) http://neonatal.ttuhsc.edu/lact/index.html
National Institutes of Health Biology of the Mammary Gland page http://mammary.nih.gov/
LLLI Center for Breastfeeding Information http://www.laleche.org/cbi/CBI.html
Katherine Dettwyler, PhD's Anthropology of Breastfeeding http://www.kathydettwyler.org/dettwyler.html
Academy of Breastfeeding Medicine http://www.bfmed.org
Physician's Breastfeeding Support Kit http://www.cdc.gov/breastfeeding/
Jack Newman, MD's Breastfeeding Handouts http://www.breastfeedingonline.com/newman.shtml
Prof. James McKenna's Mother and Baby Behavioral Sleep Laboratory http://www.nd.edu/~alfac/mckenna/
Brian Palmer's Lectures and Articles http://www.brianpalmerdds.com
Lactnews Online http://www.lactnews.com
Lactnet - Internet Listserv for Health Care Professionals working with breastfeeding mothers - Archives and Sign-up http://peach.ease.lsoft.com/archives/lactnet.html
Human Milk Banking Association of North America http://www.hmbana.org/
World Alliance for Breastfeeding Action http://www.waba.org.my/
National Alliance for Breastfeeding Advocacy http://www.naba-breastfeeding.org/
INFACT Canada Breastfeeding Homepage http://www.infactcanada.ca/
The WHO Code (Marketing of Breastmilk Substitutes) http://www.cdc.gov/breastfeeding/policy-whocode.htm
Baby Friendly-USA http://www.babyfriendlyusa.org/
International Lactation Consultant Association http://www.ilca.org/
International Board of Lactation Consultant Examiners http://www.iblce.org/