Penn, Julia M. Linguistic relativity versus innate ideas : the origins of the Sapir-Whorf Hypothesis in German thought / by Julia M. Penn. - The Hague : Mouton, 1972. - 62 p. ; 23 cm. - Janua Linguarum ; 120 . Bibliography : p. 57-60. Subjects--Topical Terms: Sapir--Whorf hypothesis.