Collection of Encyclopedia

Sources of Knowledge

http://en.wikipedia.org
http://encarta.msn.com/encnet/refpages/artcenter.aspx
http://encyclopedia.thefreedictionary.com
http://kanchanapisek.or.th/kp6/GENERAL/encyclopedia/saranugrom.htm (Thai)
http://reference.allrefer.com
http://www.bartleby.com/65
http://www.britannica.com
http://www.encyclopedia.com
http://www.factmonster.com
http://www.infoplease.com
http://www.probert-encyclopaedia.co.uk
http://www.si.edu/resource/faq/start.htm
http://www.worldbookonline.com