Air Progress Magazine March 1974 Lightplane Aircraft Fuel Crunch Aviation

Air Progress December 1972 Hanggliders Short-Field Landings Magazine Aviation

AirProgress Magazine January 1971 Reno Air Races Aviation Career

Air Progress Magazine January 1971 Reno Races Aviation Career Aircraft

Air Progress Magazine July 1974 Flight School Survey Aviation Aircraft

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

Air Progress Magazine - January, 1974 - Vol 34 #1

Air Progress Magazine New Dawn At Mooney Hot Homebuilt Vintage December 1974