Winchester, 2005, p. 74. (EN) Jim Winchester, Bell FM Airacuda, in The World's Worst Aircraft (From Pioneering Failures to Multimillion Dollar Disasters), New York, Barnes & Noble Books, 2005, pp. 74-75, ISBN978-0-7607-6742-9.
Bowers, 1971, p. 82. (EN) Peter M. Bowers, Bell FM-1 series, in Forgotten Fighters and Experimental Aircraft of the U.S. Army 1918-1941, New York, Arco Publishing Company, 1971, pp. 82-83, ISBN978-0-668-02403-7.