Jewish Virtual Library: Levi - Brief profile of the son of Jacob, with links to pertinent Torah passages. - http://www.jewishvirtuallibrary.org/jsource/biography/levi.html
Aramaic Levi and the Testament of Levi - Scholarly paper on fragments regarding the son of Joseph from the Dead Sea Scrolls. - http://orion.mscc.huji.ac.il/symposiums/2nd/papers/deJonge97.html
The Naming of Levi in the Book of Jubilees - A comparison of the priestly progenitor in Genesis and the Dead Sea Scrolls. - http://orion.mscc.huji.ac.il/symposiums/2nd/papers/Halpern-Amaru97.html
Levi - Profile of the son of Jacob from a joint Lutheran and Catholic bible study project. - http://www.aboutbibleprophecy.com/p126.htm
Jewish Encyclopedia: Levi - Overview of the third son of Jacob from the traditional Jewish perspective, including rabbinic commentary and apocrypha. - http://www.jewishencyclopedia.com/view.jsp?artid=234&letter=L
Catholic Encyclopedia: Levites - Commentary on the son of Jacob and his priestly descendants from the traditional Catholic perspective. - http://www.newadvent.org/cathen/09206a.htm