Reference Works
Theological Dictionary of the Old Testament (17 volumes) by
Seventeen volumes have appeared in English translation. The standard work.
New International Dictionary of Old Testament Theology and Exegesis (5 volumes)) by
The most recent and complete Evangelical contribution.
The Anchor Bible Dictionary Volume 1, A-C by 
The Anchor Bible Dictionary Volume 2, D-G by 
The Anchor Bible Dictionary Volume 3, H-J by 
The Anchor Bible Dictionary Volume 4, K-N by 
The Anchor Bible Dictionary Volume 5, O-Sh by 
The Anchor Bible Dictionary Volume 6, Si-Z by 
The New Strong's Exhaustive Concordance of the Bible, Supersaver by 
The NIV Exhaustive Bible Concordance by 
The NRSV Concordance by 
The Sacred Bridge 2nd Edition by
Synthesizes both a comprehensive history of the Levant and a geographical study of the region, with the focus on the land of Israel during the biblical period.
Encyclopedia of Christianity in the United States by 
Encyclopedia of Martin Luther and the Reformation by 
