British National Formulary
http://www.bnf.org
WHO Medicines Library
http://Mednet3.who.int/EMLib
Répertoire Commenté des Médicaments
http://www.cbip.be
WHO Model Formulary
Available in Arabic, English, Russian and Spanish
http://www.mednet3.who.int/EMLib/wmf.aspx
Available on CD-ROM
WHO Model List of Essential Medicines
http://www.who.int/medicines/organization/par/edl/expertcomm.shtml
WHO Medicines Bookshelf 2004
CD-ROM of publications related to essential medicines