Yael: A Righteous - Modest - Radical - A Jewish discourse on the slayer of Sisera and the nature of her femininity. - http://www.torah.org/learning/women/class54.html
Jewish Encyclopedia: Jael - Overview of the woman who slew Sisera from the traditional Jewish perspective, including rabbinic commentary. - http://www.jewishencyclopedia.com/view.jsp?artid=133&letter=J