Air Progress Magazine / September 1970 / No Label / F. Lee Bailey & Revolt

Air Progress Magazine / November 1970 / No Label / Sabotage In Air Force

Air Progress August 1970 Teal Amphibian Aircraft Magazine Aviation Flight

Air Progress Magazine / June 1970 / 1970 Sporting Season / Immelmann

Air Progress Magazine October 1970 Bede 4 Kit Plane Aviation

Air Progress March 1970 X-15 Aviation Magazine Flight Training

Vintage Oct 1970 Air Progress Magazine Vol 27 No 4 News Magazine Of Aviation

Air Progress Magazine / June 1974 / No Label / New Pilot's Handbook