General Aircraft
SPENCER, John & Anne
Fifty Years of UFOs
From Distant Sightings to Close Encounters
STROUD, John
The World's Airliners
Putnam World Aeronautical Library
Series produced in the mid-1970s to provide an overview history of selected aviation topics, each being illustrated with photographs throughout. Eight varied subjects were covered in the series (search using the subtitle for other volumes).
TAYLOR, John W.R.
A Picture History of Flight / Flight - A Pictorial History from the Wright Brothers to Supersonic
Varied collection of general aviation photographs from the earliest days of flight to the start of the 1950s.