Wolfe, Don M. creator Geyer, Ellen M. Mahan, Don F. text New York The L.W. Singer Company c1966 6th ed. monographic xvi, 464 p. : some col. ill. ; 24 cm. Don M. Wolfe, Ellen M. Geyer [and] Don F. Mahan. Includes appendices and index. Linguistics--Reading 418 W855 1966