Н. Graetz, History of the Jews, vol. 3 (Phila. 1895), p. 108; Hugo Grotius, The Law of Peace and War (Oxford, 1925), Bk. 2, ch. 5, XXXII, 1625 edition, p. 259; Encyclopedia of Religion and Ethics, ed. James Hastings, vol. 11, pp. 595-631; C.H.W. Johns, Babylonian and Assyrian Laws, Contracts and Letters (Edinburgh, 1904), passim.
