Air Progress Magazine January 1975 Super Snoot 310R Cessna Aircraft

Air Progress Magazine / October 1975 / Acroduster Arrival Of A Rival For Pitts

Prairie Farmer Magazine October 1975 Illinois Farms

Air Progress Magazine October 1974 General Aviation Survey Planes

Air Progress Magazine October 1973 Bede BD-5 Experimental Aircraft Aviation

Air Progress Magazine / September 1975 / Rutan Varieze: Homebuilt Of 1980's

Air Progress Magazine October 1972

Air Progress Magazine October 1972 BD-5 First Flight Test Results Aviation