See also: Events
Armstrong Speaks at Dedication Ceremony for WNYC-FM's new 20kW transmitter on February 11, 1948. WNYC History Notes: Volume 2, Issue 6. February 2011.
Interview of John Bose, Armstrong's assistant, by Mary Ellen Tuthill in October 1983 (MP3; transcript; CC BY-NC-ND 4.0).
Armstrong Commemorative Broadcast in the Internet Archive Community Audio collection. June 2005.
Edwin Armstrong: Pioneer of the Airwaves by Yannis Tsividis in Columbia Magazine. Spring 2002.
Edwin Howard Armstrong: FM Inventor by Dana M. Raymond at Fathom.com. 2000.
Edwin H. Armstrong Papers (1886-1982) at Rare Book and Manuscript Library, Columbia University
Major Armstrong: Scientist, Technologist, Philosopher by Jennifer Comins. Columbia University Libraries blog
Edwin Armstrong in Columbia 250 Celebrates Columbians Ahead of Their Time. 2004.
Columbia University's Philosophy Hall named to National Register of Historic Places July 31, 2003.
Edwin Howard Armstrong in Wikipedia
Edwin Howard Armstrong by Donna Halper. 1998.
FM Radio Development by R. J. Reiman. 1994.
Edwin Howard Armstrong by Lawrence P. Lessing
Major Edwin Howard Armstrong: The Inventor of FM in The Lives of the Great DJ's. WFMU.org. 1996.
Edwin Howard Armstrong inducted into New Jersey Inventors Hall of Fame, 1998
Major Edwin Howard Armstrong Memorial Radio Club, W2XMN
Armstrong, Edwin Howard (1890-1954) in Hutchinson Encyclopedia
IEEE REACH short videos about E.H. Armstrong, December 2023: