Tham khảo Vụ tùng xẻo con ngựa "Snippy"

  1. ↑ Regal, Brian (15 tháng 10 năm 2009). “Pseudoscience: A Critical Encyclopedia: A Critical Encyclopedia”. ABC-CLIO – qua Google Books.
  2. ↑ O'Brien, Christopher (22 tháng 3 năm 2011). “Secrets of the Mysterious Valley”. SCB Distributors – qua Google Books.
  3. ↑ “Oct 05, 1967, page 16 - San Angelo Standard-Times at Newspapers.com”. Newspapers.com.
  4. 1 2 3 4 5 6 7 8 9 “5 Oct 1967, Page 47 - The Amarillo Globe-Times at Newspapers.com”. Newspapers.com.
  5. ↑ “5 Oct 1967, Page 1 - Las Cruces Sun-News at Newspapers.com”. Newspapers.com.
  6. ↑ “Oct 05, 1967, page 1 - Alamogordo Daily News at Newspapers.com”. Newspapers.com.
  7. ↑ “5 Oct 1967, 14 - The Sacramento Bee at Newspapers.com”. Newspapers.com.
  8. ↑ David R. Saunders and R. Roger Harkins; UFO's? Yes! Where the Condon Committee Went Wrong; World Publishing, 1969
  9. ↑ “1 Dec 1967, 10 - Johnson City Press at Newspapers.com”. Newspapers.com.
  10. ↑ “2 Dec 1967, 8 - The Idaho Statesman at Newspapers.com”. Newspapers.com.
  11. 1 2 Tosches, Rich (8 tháng 12 năm 2006). “Town gets Snippy about skeleton of mutilated horse”. The Denver Post. Truy cập ngày 20 tháng 12 năm 2017.
  12. ↑ “The Skeptical Inquirer”. Committee for the Scientific Investigation of Claims of the Paranormal. 25 tháng 1 năm 2007 – qua Google Books.
  13. ↑ O'Brien, Christopher (tháng 11 năm 2014). Stalking the Herd. Kempton, IL: Adventures Unlimited Press. tr. 99. ISBN 978-1-939149-06-0.
  14. ↑ O'Brien, Christopher (tháng 11 năm 2014). Stalking the Herd. Kempton, IL: Adventures Unlimited Press. tr. 107–110. ISBN 978-1-939149-06-0.
  15. ↑ “24 Feb 1968, 11 - The Journal Times at Newspapers.com”. Newspapers.com.
  16. ↑ “Feb 28, 1968, page 55 - The News at Newspapers.com”. Newspapers.com.
  17. ↑ CURTIS, PEEBLES (17 tháng 3 năm 1994). “WATCH THE SKIES”. Smithsonian – qua Google Books.
  18. ↑ “Google Books”. books.google.com.
  19. ↑ “26 Sep 1996, Page 25 - The Taos News at Newspapers.com”. Newspapers.com.
  20. ↑ Getz, Charmaine Ortega. “Snippy the Horse Is Headed to the UFO Watchtower”. Westword.
  21. ↑ “UFOs and a Horse Called Snippy”. Denver Public Library History. 20 tháng 10 năm 2020.

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