New York. Dorothy Knapp Opening First Radio Show. 1926. News Photo - Getty Images
Golden Age of Radio - Wikipedia
100 years later: KDKA's celebration to reenact historic first broadcast of 1920 election results | Pittsburgh Post-Gazette
On the Radio: An early history of the airwaves, from the first broadcasts to 'War of the Worlds' - The Bowery Boys: New York City History
The day Chicago radio was born | WBEZ Chicago
First Commercial Radio Broadcast · Physical, Electrical, Digital
History of radio - Wikipedia
13th January 1910: World's first public radio broadcast comes from the Met Opera in New York - YouTube
The Development of Radio | American Experience | Official Site | PBS
Eleanor Roosevelt: The First Lady of Radio | APM Reports
Stream Kids First Radio - Amy Holbert by SC Public Charter Schools | Listen online for free on SoundCloud
Billy Graham Trivia: What Was the Name of the First Radio Show He Hosted?
Early Days of Radio, 1920 — Vermont Historical Society
Black Radio in America, a story - African American Registry
The day Chicago radio was born | WBEZ Chicago
Video: celebrating 100 years of KDKA Radio
Radio - Engineering and Technology History Wiki
KDKA | radio station, Pittsburgh, Pennsylvania, United States | Britannica
WMH (1921–1923) - Wikipedia
