Radio Links of the New Deal Era

Archives of Broadcast History, http://www.oldradio.com/or-index.html, A good compilation of information on the history of radio broadcasting.

United States Early Radio History, http://www.ipass.net/~whitetho/index.html, Another good source of information on the history of radio broadcasting.

The Mercury Theatre on the Air, http://www.unknown.nu/mercury/, Gives a history and clips from America's biggest radio show of the 1930s.