Other
Bible Survey: The Book of Jude
An excellent introduction and overview of Jude that is separated into an outline form. It is easy to read and very helpful, a good resource.
New Advent
Catholic Encyclopedia: Epistle of Saint Jude
An in-depth look at the origins and background of the book of Jude, along with its authorship. Please note that ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of resource material dated...