Incoming Resources
- Aliens in popular culture, Michael M. Levy and Farah Mendlesohn, editors
- UFO investigations manual, UFO investigations from 1892 to the present day, Nigel Watson
- The return of the gods, evidence of extraterrestrial visitations, Erich von Däniken
- Earth, an alien enterprise : the shocking truth behind the greatest cover-up in human history, Timothy Good ; with a foreword by Jonathan Caplan QC
- The myth and mystery of UFOs, Thomas E. Bullard
- They are already here, UFO culture and why we see saucers, Sarah Scoles
- The Randle report, UFOs in the '90s, Kevin D. Randle
- UFO, the inside story of the US government's search for alien life here--and out there, Garrett M. Graff
- UFOs and abductions, challenging the borders of knowledge, edited by David M. Jacobs
- Alien agenda, investigating the extraterrestrial presence among us, Jim Marrs
- UFOs, generals, pilots, and government officials go on the record, Leslie Kean
- Abducted, how people come to believe they were kidnapped by aliens, Susan A. Clancy