Concordances–Indexes and are geared to a specific translation of the Bible. Use them to find every Bible verse in which a word appears. They will usually show you the phrase in which the word appears as well as chapter and verse numbers.
Commentaries–Give a verse by verse explanation of books of the Bible. One-volume reference commentaries usually do not include the biblical text.
Criticism, Interpretation, Etc. -Discuss a theme that runs throughout a biblical book
Dictionaries– Briefly define biblical words or concepts, usually alphabetically arranged
Encyclopedias – Articles on Bible personalities, concepts and words and are good places to start since they give overviews of subjects; usually alphabetically arranged.
A Biblical-Theological Introduction to the Old Testament
Erasing Hell
A Handbook to Old Testament Exegesis