By Brown, Courtney
By Alford, Alan F.
By Mack, John E.
By Blum, Howard
By J. Allen Hynek
By Robert Temple
By Good, Timothy
By T. C. Lethbridge
By Donald R. Schmitt (Donald R. Schmitt), Brad Steiger (Brad Steiger)
By Jd Med Alfred Lambremont Webre
By david wilcock
By Daniken, Erich von, Heron, M.
By Randle, Kevin D.
By Strieber, Whitley
By Nick Redfern
By Mark Brake
By Davies, Paul
By Baddiel, Ivor, Blezard, Tracey, Sullivan, Colin
By Steiger, Brad
By Bates, Gary
By Lawrence, Richard
By Vallee, Jacques
By Bord, Janet, Colin
By Randles, Jenny
By Moran, Sarah V., Daniken, Erich von
By Ashpole, Edward
By Flindt, Max H., Binder, Otto O.
By Dione, R.L.