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During 1960, Edward Purcell of Harvard gave a lecture at the Brookhaven National Laboratory in which he concluded that “all this stuff about travelling round the Universe in space suits, except for local exploration …, belongs back where it came from, on the cereal box”.

Sections below

1. Web Resources

2. Book References

3. Other material

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 Many links to material on UFO websites quickly become out of date.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 focused on providing tables of references to discussion of UFO incidents, personalities and other matters in various books. Those tables of references to discussion in books can be sorted by author, length and date. I hope these tools are useful.

Book References

Text of article reprinted in “Interstellar Communication: A Collection of Reprints and Original Contributions” (1963) (edited by A G W Cameron) (available on Amazon USA and on Amazon UK) at pages 121-143 (in Chapter 13) of the W A Benjamin 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. I hope that these tables are found to be a useful contribution to UFOlogy.

For discussion of Purcell’s article see the following:

Year	Discussion by:	No. of Pages
1974	Berry, Adrian in his “The Next Ten Thousand Years” (1974) (available on Amazon USA and on Amazon UK) at page 99 (in Chapter 8) of the Coronet paperback edition.	1
1969	Condon Report (“Scientific Study of Unidentified Flying Objects”, Edward U Condon (Director) and Daniel S Gillmor (Editor) (1969)) (available on Amazon USA and on Amazon UK) at page 37 (in Section 2 “Summary of the Study”, by Edward U Condon) of the uncorrected version submitted to the Air Force (with the same page numbering in the 3 volume paperbound edition distributed by the National Technical Information Service, US Department of Commerce) at page 27 of the Vision hardback edition (with the same page numbering in the Bantam paperback edition). The first of these editions has the same page numbering as the edition available free online at the following links: http://www.project1947.com/shg/condon/contents.html	1
1999	Davidson, Keay in his “Carl Sagan: A Life” (1999) (available on Amazon USA and on Amazon UK) at page 131 (in Chapter 5) of the Wiley softcover edition.	1
1998	Dick, Steven J in his “Life on Other Worlds“ (1998) (available on Amazon USA and on Amazon UK) at pages 213 (in Chapter 7) of the Cambridge hardback edition.	1
1996	Dick, Steven J in his “The Biological Universe” (1996) (available on Amazon USA and on Amazon UK) at page 434 (in Chapter 8) of the Cambridge hardback edition.	1
1991	Drake, Frank and Sobel, Dava in their “Is Anyone Out There?“ (1991) (available on Amazon USA and on Amazon UK) at pages 120-121, 128 (in Chapter 6) of the Pocket Books paperback edition.	3
2008	Friedman, Stanton in his “Flying Saucers and Science : A Scientist Investigates the Mysteries of UFOs” (2008) (available on Amazon USA and on Amazon UK) at pages 85-87 (in Chapter 2) of the New Page softcover edition.	3
1980	Goldsmith, Donald and Owen, Tobias in their “The Search for Life in the Universe” (1980) (available on Amazon USA and on Amazon UK) at pages 370-371 (in Chapter 19) of the Benjamin Cummings softcover edition, at pages 437-438 (in Chapter 18) of the 1992 Addison Wesley softcover revised second edition.	2
1982	Hart, Michael in “Extraterrestrials: Where are they?” (1982) (edited by Michael Hart and Ben Zuckerman) (available on Amazon USA and on Amazon UK) at page 3 (in Chapter 1) of the Cambridge softcover second edition. (The relevant chapter is a reprint of Hart, Michael “An Explanation for the Absence of Extraterrestrials on Earth”, Quarterly Journal of the Royal Astronomical Society, volume 16 (1975), pages 128-135).	1
1989	Mallove, Eugene F and Matloff, Gregory L in their “The Starflight Handbook” (1989) (available on Amazon USA and on Amazon UK) at pages 3, 15 (in Chapter 1) of the Wiley hardback edition.	2
1982	Singer, Cliff in “Extraterrestrials: Where are they?” (1982) (edited by Michael Hart and Ben Zuckerman) (available on Amazon USA and on Amazon UK) at page 70 (in Chapter 9) of the Cambridge softcover second edition.	1
1964	Sullivan, Walter in his “We Are Not Alone” (1964) (available on Amazon USA and on Amazon UK) at pages 227, 229-232, 234, 237, 241 (in Chapter 16), 274, 276 (in Chapter 16) of the Signet paperback revised editions.	10

Other Material

Please use the comments section below to share references to any particularly interesting relevant articles.