Intervarsity Press Dictionaries: Old and New Testament volumes
The JPS Guide to Jewish Traditions by 
Encyclopedia of the Dead Sea Scrolls by The Anabaptist Dictionary of the Bible is a newly established wiki. Many articles are from the Believer's Church Bible Commentary Series. Scholars are invited to contribute articles in English, Spanish and French. BCBC editors Loren Johns (AMBS) and Douglas Miller (Tabor College) manage the wiki dictionary.
