Jewish Encyclopedia: Mordecai 
Overview of the Biblical hero from the traditional Jewish perspective, including rabbinic commentary.
http://www.jewishencyclopedia.com/view.jsp?artid=764&letter=MMordecai
Profile of the Biblical hero from a Christian perspective.
http://www.christiananswers.net/dictionary/mordecai.html
Mordechai: Another Kind of Tzaddik
Character study of the Purim hero from a Jewish perspective.
http://www.darchenoam.org/discussion/anava4.htm
The Secret of Mordechai's Success
Contemporary Jewish essay examining the life of the hero of the Book of Esther.
http://drs.yahoo.com/S=2766679/K=mordechai+-vanunu+-anielewicz/v=2/SID=e/l=WS1/R=19/H=0/*-http://roshhashanah.torah.org/learning/yomtov/purim/vol7no12.html
