Catholic Encyclopedia: Levites 
Commentary on the son of Jacob and his priestly descendants from the traditional Catholic perspective.
http://www.newadvent.org/cathen/09206a.htmJewish 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
Levi
Profile of the son of Jacob from a joint Lutheran and Catholic bible study project.
http://www.aboutbibleprophecy.com/p126.htm
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
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
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
