Castellano, Juan Rodríguez. Ejercicios de pronunciación española Spanish phonological pattern [by] Juan Rodríguez-Castellano [and] Lorenzo Rodríguez-Castellano. - New York Scribner [1965] - xi, 114 p. illus. 25 cm. - Scribner Spanish series . LCCN: 65001795 Subjects--Topical Terms: Spanish language--Pronunciation LC Class. No.: PC4137 / .C3