Tyson, Levering, 1889- Education tunes in; a study of radio broadcasting in adult education, by Levering Tyson. - New York, American association for adult education [1930] - 119 p. 2 illus. (maps) 23 cm. LCCN: e 30000225 Subjects--Topical Terms: Radio in education.Radio broadcasting.Adult education. LC Class. No.: LB1044.5 / .T9