Concordances are located in the Reference collection in the BS424 - 440 range. Selected versions:
This website allows access to three concordances including Strong's Exhaustive Concordance.
Nelson's Complete Concordance of the New American Bible
REF BS425.N36 1977
Nelson's Complete Concordance of the Revised Standard Version Bible
REF BS425.E47
New Strong's Exhaustive Concordance of the Bible
REF BS425.S8 1984