BiblioVault may have an electronic file which would meet your requirements for this title:
Communities of the Air: Radio Century, Radio Culture
Susan Merrill Squier, Steven Wurtzler, Bruce B. Campbell, Nina Huntemann and Laurence A. Breiner
Paper: 978-0-8223-3095-0
Cloth: 978-0-8223-3083-7
Electronic: 978-0-8223-8481-6