1911 Encyclopedia Brittannica

Catholic Encyclopedia (New Advent)
Catholic Encyclopedia (Catholic.org)
Christian's Expositor Journal
Coffman's Commentary on the NT
Creeds of Christendom
Dictionary.com
Figures of Speech Used in the Bible, Bullinger
History of the Christian Church, Schaff
Information Please.com
International Standard Bible Encyclopedia (1939)
Jamison, Fausset & Brown Commentary
Jewish Encyclopedia (1901-1906)
Josephus' Writings
King James Dictionary
Merriam-Webster Dictionary
Nave's Topical Bible
New Schaff-Herzog Encyc.  of Rel Knowledge
OneLook Dictionary Search
Online Etymology Dictionary
Smith's Bible Dictionary
Thayer's Greek Lexicon
Thesaurus.com
Thompson Chain Reference
The Topical Concordance
Torrey's Topical Textbook
Treasury of Scripture Knowledge
Vine's Expository Dictionary  of NT Words
Vocabulary of the NT, Moulton and Milligan
Webster's Dictionary, 1828