Project Grudge (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Project Grudge" in English language version.

Last modified: 19:12:08, 6 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

934^th place

530^th place

1^st place

1,245^th place

1,259^th place

low place

7,971^st place

3^rd place

books.google.com (Global: 3^rd place; English: 3^rd place)

Haines, Gerald K. "CIA's Role in the Study of UFOs, 1947–90". Defense Technical Information Center. Studies In Intelligence Vol. 01 No. 1, 1997: Central Intelligence Agency. Archived from the original on August 25, 2021. Retrieved 25 August 2021.{{cite journal}}: CS1 maint: location (link)

Shalett, Sidney. "What You Can Believe About Flying Saucers". saturdayeveningpost.com. Saturday Evening Post. Retrieved 24 August 2021.

Haines, Gerald K. "CIA's Role in the Study of UFOs, 1947–90". Defense Technical Information Center. Studies In Intelligence Vol. 01 No. 1, 1997: Central Intelligence Agency. Archived from the original on August 25, 2021. Retrieved 25 August 2021.{{cite journal}}: CS1 maint: location (link)