5 links
Aramaic Levi and the Testament of Levi
orion.mscc.huji.ac.il
Scholarly paper on fragments regarding the son of Joseph from the Dead Sea Scrolls.
Catholic Encyclopedia: Levites
newadvent.org
Commentary on the son of Jacob and his priestly descendants from the traditional Catholic perspective.
Jewish Virtual Library: Levi
jewishvirtuallibrary.org
Brief profile of the son of Jacob, with links to pertinent Torah passages.
The Naming of Levi in the Book of Jubilees
orion.mscc.huji.ac.il
A comparison of the priestly progenitor in Genesis and the Dead Sea Scrolls.