Brosnahan, L. F. (Leonard Francis), 1922- The sounds of language an inquiry into the Role of Genetic Factors in the Development of Sound Systems L. F. Brosnahan - Cambridge W. Heffer & Sons 1961 - 250 p. : ill. ; 23 cm. LCCN: 61-065060 /L Subjects--Topical Terms: PhoneticsGenetics