Absalom - Profile of the rebellious prince from a 1911 Christian source. - http://en.wikipedia.org/wiki/Absalom
Catholic Encyclopedia: Absalom - Commentary on the third son of David from the traditional Catholic perspective. - http://www.newadvent.org/cathen/01058c.htm
Jewish Encyclopedia: Absalom - Overview of King David's rebellious son from the traditional Jewish perspective, including Talmudic commentary. - http://www.jewishencyclopedia.com/view.jsp?artid=637&letter=A