UFO: Unidentified Flying Observations

From Author Wars - https://authorwars.com/books/ufo-unidentified-flying-observations-117524.html

Overview:

Title: UFO: Unidentified Flying Observations
Author: John W. Campbell, Jr.
Year: 1963
Type: Essays
Series: Editorial (Analog)

Variant Titles:

1963. UFO: Unidentified Flying Observations