Web Resources
There is a rapid turnover of UFO material on the Internet. Many links to material on UFO websites quickly become out of date. Therefore, instead of giving many links to specific webpages I have instead included below a search box which can be used to search various leading UFO websites at the same time. You can then click on tabs at the top of the search results to list only results from forums, only results from websites I have labelled as "skeptical" etc. I have included tabs for a couple of specific websites that I find particularly useful, including the valuable archives of the UFO UpDates email discussion List. The relevant websites are all listed in the discussion of the "UFO Searchillion" search engine in Section 2.4 of the "Free UFO Researcher Starter Pack" and continues to evolve...
The relevant search box is one of the two main tools on this website which are intended to help reduce the amount of reinvention of the wheel within UFOlogy. The other main tool is the collection of tables of references to discussion of UFO incidents, personalities and other matters in various books. Those tables can be sorted by author, length and date. I hope these tools are useful.
Book References
Complete text reprinted in “Extraterrestrials: Where are they?” (1982) (edited by Michael Hart and Ben Zuckerman) (available on Amazon USA and on Amazon UK) at pages 1-8 (in Chapter 1 generally) of the Cambridge softcover second edition.
Complete text of article reprinted in “The Quest For Extraterrestrial Life : A Book of Readings” (1980) (edited by Donald Goldsmith) (available on Amazon USA and on Amazon UK) at pages 228-231 (in Chapter 42) of the University Science Books hardback edition.
The table below includes references to relevant discussions in UFO/SETI books noted by Isaac Koi during a review of approximately 963 UFO/SETI books during the period 2003-2006 (with a few later additions). The table can be sorted by author, date and length of discussion by clicking on the relevant word in the top line of the table.
Many of the tables of references on this website are considerably longer than the references to books found on most other UFO websites. Indeed, some are probably the longest that have been collated in relation to some events and personalities. Together with the "UFO Searchillion" search box, I hope that these tables are found to be a useful contribution to UFOlogy.
For discussion of Hart’s paper see the following:
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Year |
Discussion by:
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No. of Pages |
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Achenbach, Joel in his “Captured by Aliens” (1999) (available on Amazon USA and on Amazon UK) at pages 65-66 (in Chapter 6) of the Simon and Schuster hardback edition. |
2 |
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Cox, Laurence in “The Quest For Extraterrestrial Life : A Book of Readings” (1980) (edited by Donald Goldsmith) (available on Amazon USA and on Amazon UK) at pages 232-235 (in Chapter 43) of the University Science Books hardback edition. The relevant chapter is a reprint of “An Explanation for the Absence of Extraterrestrials on Earth”, Quarterly Journal of the Royal Astronomical Society, volume 17, pages 201ff (1976). |
4 |
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Davidson, Keay in his “Carl Sagan: A Life” (1999) (available on Amazon USA and on Amazon UK) at page 346 (in Chapter 14) of the Wiley softcover edition. |
1 |
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Drake, Frank and Dava Sobel in their “Is Anyone Out There?“ (1991) (available on Amazon USA and on Amazon UK) at pages 202-204 (in Chapter 9) of the Pocket Books paperback edition. |
3 |
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Schwartzman, David W in “The Quest For Extraterrestrial Life : A Book of Readings” (1980) (edited by Donald Goldsmith) (available on Amazon USA and on Amazon UK) at pages 264-265 (in Chapter 51) of the University Science Books hardback edition. The relevant chapter is a reprint of “The Absence of Extraterrestrials on Earth and the Prospects for CETI” in Icarus, Volume 23 (1977), pages 473ff. |
2 |
Other Material
Hart, Michael “An Explanation for the Absence of Extraterrestrials on Earth”, in the Quarterly Journal of the Royal Astronomical Society, volume 16, pages 128-135 (1975).
Please use the comments section below to share references to any particularly interesting relevant articles.