Articles on "Life" in HDB, DCG, Jewish Encyclopedia; on "Soul," "Spirit," etc., ibid, and in Encyclopedia Brit, EB, Kitto, Smith, Standard, etc.; Laidlaw, Bible Doctrine of Man; Delitzsch, A System of Biblical Psychology; cornms. on the various passages; Davidson, Old Testament Theology; Oehler and Schultz, Old Testament Theology; Stevens, Johannine Theology and Pauline Theology; Holtzmann, New Testament Theology, I, 293 ff; G. Dalman, Words of Jesus; Phillips Brooks, More Abundant Life; B.F. Westcott, Historic Faith; F.J.A. Hort, The Way, the Truth, the Life; J.G. Hoare, Life in John's Gospels; E. White, Life and Christ; Salmond, The Christian Doctrine of Immortality; R.J. Knowling, Witness of the Epistles and The Testimony of Paul to Christ; commentaries on the various passages; McPherson, "The New Testament View of Life," The Expositor, I, set. v, 72 ff; Massie, "Two New Testament Words Denoting Life," The Expositor, II, series iv, 380 ff;
Schrenk, Die Johannistische Anschauung yom Leben.