Air Progress Magazine September 1974

Air Progress Magazine August 1974

Air Progress Magazine December 1974 New Dawn at Mooney Aviation Flight

Air Progress Magazine May 1974

Vintage 1974 Spokesman-Review Progress Issue Magazine - Emergence of Expo City

Air Progress Magazine August 1974 Aircraft Piloting Sport Directory

Air Progress September 1974 Maule Rallye Aircraft Magazine Aviation

Air Progress Magazine October 1974 General Aviation Survey Planes