Allan Hendry authored 'The UFO Handbook: A Guide to Investigating, Evaluating, and Reporting UFO Sightings', which includes a foreword by J. Allen Hynek.

Authors

• Person: Not available Organization: Wikipedia
  Unidentified flying object - Wikipedia

Sources

• Unidentified flying object - Wikipedia en.wikipedia.org Wikipedia via serper

Referenced by nodes (1)

• J. Allen Hynek entity