1. History Channel http://www.historychannel.com/thcsearch/thc_resourcedetail.do?encyc_id=206834

Funk & Wagnalls® New Encyclopedia. 2005.Unknown. Last updated 2005. This website gives history of the first through third crusades including some other crusades.

2. Medieval internet Source book

http://www.fordham.edu/halsall/sbook1k.html Paul Halsall.1996. Last updated 2001.Unknown.This Website gives information on the first through fourth crusade and the aftermath.

3. CQ PRESS IN CONTEXT

http://www.cqpress.com/context/articles/epr_islam.html John O. Voll. 1998. Lasted updated. Unknown.This website gives history on the Islamic religion.