Study Gadgets
The location of every identifiable place mentioned in the Bible.
Find out which class or Sunday teaching references a particular scripture.
The "Concordant Version of the Old Testament" and the "Concordant Literal Version of the New Testament". Some in on-line format, some in pdf.
The "Figures of Speech used in the Bible" by E. W. Bullinger with an on-line searchable index.
A downloadable pdf version: