"… extremely informative and comprehensive...for the aircraft enthusiast or those intrigued by aviation history." -- Wayne Wright, Borger News-Herald, November 1998
"The seldom-seen, if not rare, drawings and photography are intriguing...-this book is of notable value and contributes significantly to the understanding
of rotary wing technology." -- Wings of Gold, Winter 1998.
"Helicopters Before Helicopters is difficult to put down, and bears reading and rereading-as this reviewer can testify!" -- WW1 Aero
"… a new standard work for the serious rotary wing historian" -- Helico Revue No. 42, May 1999.
"… a marvelous reference work on the early history of rotary-wing aviation in the United States." -- Phillip S. Meilinger, Technology and Culture,
Volume 41, October 2000.