Sperry UFO case (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sperry UFO case" in English language version.

refsWebsite

Global rank English rank

3project1947.com

low place

low place

low place

low place

1ufothemovie.blogspot.com

low place

low place

nicap.org

Project Blue Book documents on Sperry case, NICAP (accessed 08-08-08)

project1947.com

Sperry, Letter to Flying magazine, September 1950, Project 1947 (accessed 08-08-08)
Sperry, Interview by J. E. McDonald, Project 1947
Transcript of KABC-TV interview, 1964, Project 1947

ufothemovie.blogspot.com

Sperry, Letter to R. Barrow, 1976 (accessed 08-08-08)