Incoming Resources
- Alien abductions, Ken Karst
- Recuerdos del futuro, Erich von Däniken ; de la traducción, Jorge Rus Sánchez
- Alien sites, by Jenny Mason
- Ancient aliens, Season 3
- UFOHS!, mysteries in the sky, Deborah Blumentahl and Ralph Blumenthal ; illustrations by Adam Gustavson
- Ancient aliens, Season 13
- Ancient aliens, produced by Prometheus Entertainment for History, Season two
- Taxi from another planet, conversations with drivers about life in the universe, Charles S. Cockell
- Ancient aliens, did historic contact happen?, by Rachel L. Thomas
- Ancient aliens, Season 1
- Los viajeros del cosmos, ¿Y si el origen de la humanidad estuviera en las estrellas?, Manuel Fernández Muñoz
- UFOs, Jenny Mason
- They are already here, UFO culture and why we see saucers, Sarah Scoles
- UFOhs!, Mysteries in the Sky
- Curious about aliens, by Gillia M. Olson