Selling airtime for controversy: NAB self‐regulation and Father Coughlin - Brown, James A. (Journal of Broadcasting, 1980)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA4MC8wODgzODE1ODAwOTM2Mzk3OQ