1. Rodeman, Norbert R. May 1951. “The Development of Academic Research in Radio and Television for the First Half of the Twentieth Century (A Bibliographical Listing and Handbook),”. May, Northwestern University. Ph.D. dissertation
2. Rowland, John Howard. 1947. “A Sociological Analysis of Radio as a Form of Mass Communication in American life,”. 13University of Pittsburgh. Ph.D. dissertation
3. Sparks, Kenneth R. 1962.A Bibliography of Doctoral Dissertations in Television and Radio, 29Syracuse: The School of Journalism, Newhouse Communications Center, Syracuse University.
4. Doctoral dissertations in radio and television at German universities, 1920–1957