Twentieth century interpretations of The frogs : a collection of critical essays / edited by David J. Littlefield. - Englewood Cliffs, NJ : Prentice-Hall, [1968] - Twentieth century interpretations A Spectrum book . Bibliography: p. 117-118. LCCN: 68014477 //r83 Subjects--Personal Names: Aristophanes. Frogs. Aristophanes. Frogs. LC Class. No.: PA3875.R3 / L5 Dewey Class. No.: 883/.01