Bible study software is fast causing many paper-based study aides obsolete — unless you prefer to study without a computer. However, we don’t always have our computers readily available, so you may desire to have some basic reference books in your library.

The New Strong’s Exhaustive Concordance of the Bible
by James Strong

The Strongest Strong’s Exhaustive Concordance of the Bible Larger Print Edition
by James Strong and John R. Kohlenberger III

Word Study New Testament and Concordance (2 Volumes)
by Ralph D. Winter

The Englishman’s Greek Concordance of the New Testament
by George V. Wigram

The Englishman’s Hebrew Concordance of the Old Testment: With the Numbering System from Strong’s
by George V. Wigram

Interlinear Greek-English New Testament: With Strong’s Numbers Above Each Word
by Jay P. Green

The English-Greek Reverse Interlinear New Testament: English Standard Version
by John Schwandt and C. John Collins

Merriam Webster’s Collegiate Dictionary (11th Edition)
You can access this dictionary online, but you might like to have a paper copy

Vine’s Expository Dictionary of the Old & New Testament Words
by W. E. Vine