Spanish in 20 lessons, illustrated : intended for self-study and for use in schools : with a simplified system of phonetic pronunciation - Cortina, R. Diez de la (Rafael Diez de la), 1859- (New York : R. D. Cortina Co. ; Garden City, N.Y. : exclusive distributors to the book trade, Doubleday & Co., 1964)
Includes bibliographical references.
Keywords: Spanish language -- Textbooks for foreign speakers -- English; Spanish language -- Self-instruction.