Sajt om ufos globala historia

"THE UFO PAST

This site explores the global history of the UFO and alien contact phenomenon."

Källa:

https://ufopast.com/

"The UFO Past explores the global history of the UFO and alien contact phenomenon. Its author, Greg Eghigian, is Professor of Modern History at Penn State University (USA), where he conducts research and teaches about the history of the human sciences and medicine."

Källa:

https://ufopast.com/about/