Brown, Eric Frederick, 1945- Nightime radio for the nation a history of the clear channel proceeding, 1945-1972 / [microform] : by Eric Frederick Brown - Ann Arbor, Mich. : University Microfilms International, 1975 - 1 microfilm reel : positive ; 35 mm. Thesis (Ph.D.) - Ohio University, 1975 ISBN: Y910041203 Subjects--Topical Terms: Radio broadcasting--History--United States