UFO Journal Articles: 

“The Greatest UFO Flap Yet?” 

by Jerome Clark

(Flying Saucer Review, London, UK)

(ignaciodarnaude.com)

The U.S. UFO researcher Jerome Clark writes about the UFO incidents that occurred over many parts of the United States, Canada and Mexico in 1965:

http://www.ignaciodarnaude.com/avistamientos_ovnis/Clark,UFOs%201965,FSR1966V12N1.pdf 
(Part 1) (Volume 12, No.1, 1966)

http://www.ignaciodarnaude.com/avistamientos_ovnis/Clark,UFOs%201965,II,FSR66V12N2.pdf 
(Part 2) (Volume 12, No. 2, 1966)

http://www.ignaciodarnaude.com/avistamientos_ovnis/Clark,UFOs%201965,III,FSR66V12N3.pdf 
(Part 3) (Volume 12, No. 3, 1966)

http://www.ignaciodarnaude.com/avistamientos_ovnis/Clark,UFOs%201965,IV,FSR66V12N6.pdf 
(Part 4) (Volume 12, No. 6, 1966)

Map of the United States (united-states-map.com)
(united-states-map.com)