Pharmacopoeias

U.S. Pharmacopoeia (USP-NF)          
http://www.usp.org/

The United States Pharmacopeia (USP) is the official public standards-setting authority for all prescription and over-the-counter medicines, dietary supplements, and other healthcare products manufactured and sold in the United States. USP sets standards for the quality of these products and works with healthcare providers to help them reach the standards. USP's standards are also recognized and used in more than 130 countries.

USP-NF Online
http://www.uspnf.com/uspnf/login

U.S. Biopharmacopeia
http://www.biopharmacopeia.com/

British Pharmacopoeia
http://www.pharmacopoeia.org.uk/

British Pharmacopoeia on line
http://www.pharmacopoeia.co.uk/

The International Pharmacopoeia (Ph.Int.)
http://www.who.int/medicines/publications/pharmacopoeia/overview/en/index.html

Japanese Pharmacopoeia
http://jpdb.nihs.go.jp/jp14e/

Chinese Pharmacopoeia 
http://www.chisinfo.com/pharm2005.htm

American Herbal Pharmacopoeia
http://www.herbal-ahp.org/

Biology Online – information in the Life Sciences
http://www.biology-online.org/dictionary/Pharmacopoeia