This file conatins the following, some of which duplicate other records
but are better copies.
Dan Wiolson
http://www.nicap.org/reports/bethune_wilson_file.pdf
Project Record Card - Graham Bethune Case
IR-4-51 Air Intelligence Information Report (2 pages)
Written sighting report by Graham Bethune (6 pages)
National Aviation News article (3-pages, June 1973)