Tham khảo Hilary Evans

  1. ↑ Grossman, Wendy M (ngày 16 tháng 8 năm 2011). “Hilary Evans obituary”. The Guardian (UK). Truy cập ngày 23 tháng 10 năm 2013. 
  2. ↑ Ernest Kay The International authors and writers who's who, Volumes 2001-2002, Cambridge, 7th ed., 1976 p. 180
  3. ↑ Mary Evans Picture Library FAQs
  4. ↑ Lydia Thornley & Valentine Evans, Mary Evans Picture Library: visual documentation of the past, London: The Beacon Press, 1995
  5. ↑ Evans, Hilary, and John Spencer, eds. Phenomena: Forty Years of Flying Saucers. New York: Avon Books, 1989, p.409
  6. ↑ David Morrow, Close encounters of the street lamp kind, The Independent Life & Style, Thursday, ngày 31 tháng 8 năm 1995
  7. ↑ Jerome Clark, Encyclopedia of strange and unexplained physical phenomena, Thomson Gale Press, 1993, ISBN 0-8103-8843-X ISBN 978-0810388437 p.329
  8. ↑ Bullough, Vern. (1982). Hilary Evans. Harlots, Whores & Hookers: A History of Prostitution. Journal of the History of the Behavioral Sciences 18 (2): 181-184.
  9. ↑ Klass, Philip J. (1987). The Development of a Pseudoscience. New Scientist. 22 October. p. 63
  10. ↑ Scott, Christopher. (1982). Intrusions by Hilary Evans. New Scientist. 27 May. p. 595