now been done by the editor. A similar but less extensive revision of the English Harmony of Dr. Robinson has been published.497 Allegheny, Pa., Nov. 14, 1887. 497 For lists of Harmonies, see Schaff, History of the Christian Church, rev. ed. vol. i. pp. 575, 576; Gardiner, Harmony, pp. xxxiv.-xxxvii.; Robinson, Harmony, revised by Riddle, pp. ix, x. Each of these lists contains ref- erences to older authors and their lists. See also Smith, Bible Dictionary, Am. ed. (Hackett and Abbot) ii. pp. 950, 960. 159 Introductory Essay.