レジナルド・フェッセンデン
↑ Experiments and Results in Wireless Telephony The American Telephone Journal
↑ O'Neal, James E. "Fessenden: World's First Broadcaster?--A Radio History Buff Finds That Evidence for the Famous Brant Rock Broadcast Is Lacking" Archived 2007年5月21日, at the Wayback Machine. Radio World Online. October 25, 2006
↑ O'Neal, James E. "Fessenden — The Next Chapter" Radio World Online. December 23, 2008, retrieved 2009 June 29
↑ Fessenden, Reginald A. Inventing the Wireless Telephone and the Future