For definitions and usages of kikkar and other Hebrew terms identified in this article, see L. Koehler and W. Baumgartner, eds., Lexicon in Veteris Testamenti Libros: A Dictionary of the Hebrew Old Testament in English and German (Leiden: Brill, 1985); W. Holladay, ed., A Concise Hebrew and Aramaic Lexicon of the Old Testament (Grand Rapids: Eerdmans, 1988); F. Brown, S.R. Driver and C.A. Briggs, A Hebrew and English Lexicon of the Old Testament (Oxford: Clarendon, 1975); and W.A. VanGemeren, ed., New International Dictionary of Old Testament Theology and Exegesis, 5 vols. (Grand Rapids: Zondervan, 1997).