Isaac Heinemann, Darkei H’Aaggada (Jerusalem: Magnes and Massada, 1974) (in Hebrew). On the Midrash as a distinct literary genre, see James L. Kugel, “Two Introductions to Midrash,” in Hartman and Budick, Midrash and Literature (see note 1); Addison G. Wright, The Literary Genre Midrash (Staten Island, NY: Pauling Fathers and Brothers, 1967); Jose Faur, Golden Doves with Silver Dots (Bloomington: Indiana Univ. Press, 1986); and the important contributions of Susan Handelsman, in particular “Everything Is In It: Rabbinic Interpretation and Modern Literary Theory,” Judaism, Fall 1986.