1965

Allen, Tom in his “The Quest: A Report on Extraterrestrial life " (1965) at page 196 (in Chapter 9) of the Chilton hardback edition.

1

1960

Anderson, Poul in a letter in Science, Volume 132 (1960.0722), pages 250-253. Letter available online at:http://www.aeiveos.com/~bradbury/ETI/Authors/Dyson-FJ/SfASSoIR_ltr.html

4

1985

Angelo, Joseph A in his “The Extraterrestrial Encyclopedia: Man’s Search for Life in Outer Space” (1985) (available on Amazon USA and on Amazon UK) at pages 11 (in the entry entitled “astroengineering”), 30-31 (in the entry entitled “Dyson sphere”), 67 (in the entry entitled “infrared (IR) astronomy”), 100 (in the entry entitled “Megasphere”) of the revised 1991 Fact on File hardback edition.

4

1989

Ashpole, Edward in his “The Search for Extraterrestrial Intelligence”(1989) (available on Amazon USA and on Amazon UK) at pages 144-145 (in Chapter 9) of the Blandford softcover edition.

2

1997

Ashpole, Edward in his “Where is Everybody?” (1997) (available on Amazon USA and on Amazon UK) at pages 97-98 (in Chapter 6) of the Sigma Press softcover edition.

2

1979

Asimov, Isaac in his “Extraterrestrial Civilizations” (1979) (available on Amazon USA and on Amazon UK) at pages 250-251 (in Chapter 13) of the Crown hardback edition, at pages 283-284 of the Pan paperback edition.

2

2003

Benjamin, Marina in her “Rocket Dreams” (2003) (available on Amazon USA and on Amazon UK) at pages 228, 229 (in Chapter 6) of the Chatto & Windus hardback edition.

2

1974

Berry, Adrian in his “The Next Ten Thousand Years” (1974) (available on Amazon USA and on Amazon UK) at pages 151-154 (in Chapter 12), 167-174, 177 (in Chapter 13), 229 (in the Notes and References) of the Coronet paperback edition.

14

1974

Bracewell, Ronald in his “The Galactic Club” (1974) (available on Amazon USA and on Amazon UK) at pages 115-117 (in Chapter 13) of the Heinemann softcover edition.

3

1978

Briazack, Norman and Mennick, Simon in their “The UFO Guidebook” (1978) (available on Amazon USA and on Amazon UK) at pages 74-75 (in the entry entitled “Dyson Sphere”) of the Citadel softcover edition.

2

1999

Clark, Andrew J H and Clark, David H in their “Aliens“ (1999) (available on Amazon USA and on Amazon UK) at pages 61-62 (in Chapter 2), 229-230 (in Chapter 7) of the Fromm hardback edition.

2

2000

Clark, Stuart in his “Life on Other Worlds and How to Find It” (2000) (available on Amazon USA and on Amazon UK) at page 151 (in Chapter 11) of the Springer hardback edition.

1

2000

Darling, David in his “The Extraterrestrial Encyclopedia” (2000) (available on Amazon USA and on Amazon UK) at pages 115-116 (in the entry entitled “Dyson sphere”) of the Three Rivers softcover edition.

2

2003

Darling, David in his online encyclopedia, “The Encyclopedia of Astrobiology, Astronomy and Spaceflight” (2003) in the entry entitled “Dyson sphere”. The relevant entry is available online at:

http://www.daviddarling.info/encyclopedia/D/Dysonsp.html

1

1999

Davidson, Keay in his “Carl Sagan: A Life” (1999) (available on Amazon USA and on Amazon UK) at pages 122-123 (in Chapter 5) of the Wiley softcover edition.

2

1998

Dick, Steven J in his “Life on Other Worlds“ (1998) (available on Amazon USA and on Amazon UK) at page 212 (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 432 (in Chapter 8) of the Cambridge hardback edition.

1

1991

Drake, Frank and Dava Sobel in their “Is Anyone Out There?“ (1991) (available on Amazon USA and on Amazon UK) at pages 68, 69 (in Chapter 4) of the Pocket Books paperback edition.

2

1990

Dyson, Freeman in an interview in David W Swift’s “SETI Pioneers : Scientists Talk About Their Search for Extraterrestrial Intelligence” (1990) (available on Amazon USA and on Amazon UK) at pages 324-325 (in the unnumbered chapter entitled “Freeman Dyson”) of the Arizona hardback edition.

2

1979

Dyson, Freeman in his “Disturbing the Universe” (1979) at pages 211-217 (in Chapter 19) of the Harper & Row hardback edition.

7

1960

Dyson, Freeman J in a letter in Science, Volume 132 (1960.0722), pages 250-253. Letter available online at:http://www.aeiveos.com/~bradbury/ETI/Authors/Dyson-FJ/SfASSoIR_ltr.html

4

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 361-362 (in Chapter 18) of the Benjamin Cummings softcover edition, at page 426 (in Chapter 17) of the 1992 Addison Wesley softcover revised second edition.

2

1997

Harrison, Albert A in his “After Contact: The Human Response to Extraterrestrial Life” (1997) (available on Amazon USA and on Amazon UK) at page 162 (in Chapter 6) of the Plenum Trade hardback edition.

1

1995

Heidmann, Jean in his “Extraterrestrial Intelligence” (1995) (available on Amazon USA and on Amazon UK) at pages xviii-xix (in the Preface) of the Cambridge hardback edition.

2

1990

Horowitz, Paul in an interview in David W Swift’s “SETI Pioneers : Scientists Talk About Their Search for Extraterrestrial Intelligence” (1990) (available on Amazon USA and on Amazon UK) at page 412 (in the unnumbered chapter entitled “Paul Horowitz”) of the Arizona hardback edition.

1

2001

Lamb, David in his “The Search for Extraterrestrial Intelligence : A Philosophical Inquiry” (2001) (available on Amazon USA and on Amazon UK) at pages 183-185 (in Chapter 7) of the Routledge softcover edition.

3

1998

Lemonick, Michael in his “Other Worlds“ (1998) (available on Amazon USA and on Amazon UK) at page 232 (in Chapter 13) of the Simon & Schuster hardback edition (with the same page numbering in the Simon & Schuster softcover edition).

1

1974

Lunan, Duncan in his “Man and the Stars” (1974) (available on Amazon USA and on Amazon UK) at pages 101-102 (in Chapter 5), 146-147 (in Chapter 8), 187-191 (in Chapter 10) of the Souvenir Press hardback edition, at pages 126-127, 181-182, 235-239 of the Corgi paperback edition.

9

1960

Maddox, John in a letter in Science, Volume 132 (1960.0722), pages 250-253. Letter available online at:http://www.aeiveos.com/~bradbury/ETI/Authors/Dyson-FJ/SfASSoIR_ltr.html

4

1987

McDonough, Thomas R in his “The Search for Extraterrestrial Intelligence - Listening for Life in the Cosmos” (1987) (available on Amazon USA and on Amazon UK) at pages 134-135 (in Chapter 9) of the Wiley softcover edition.

2

1988

Nicolson, Iain in his “The Road to the Stars” (1988) (available on Amazon USA and on Amazon UK) at page 211 (in Chapter 11) of the Book Club Associates hardback edition.

1

1974

Nicolson, Iain K M in Adrian Berry’s “The Next Ten Thousand Years” (1974) (available on Amazon USA and on Amazon UK) at pages 197-207 (Appendix 3 generally) of the Coronet paperback edition.

11

1982

Oberg, James in “Extraterrestrials: Where are they?” (1982) (edited by Michael Hart and Ben Zuckerman) (available on Amazon USA and on Amazon UK) at page 91 (in Chapter 10) of the Cambridge softcover second edition.

1

1971

Oliver, Bernard and Billingham, John et al in “Project Cyclops: A Design Study of a System for Detecting Extraterrestrial Intelligent Life : NASA Contractor Report 114445 (“NASA CR 114445”)” (1971) (edited by Oliver, Bernard and Billingham, John) (available on Amazon USA and on Amazon UK) at pages 35 (in Chapter 4), 178, 180 (in Appendix B) of the National Aeronautics and Space Administration softcover edition.

3

1975

Ridpath, Ian in his “Worlds Beyond” (1975) (available on Amazon USA and on Amazon UK) at pages 53-54 (in Chapter 3) of the Wildwood House softcover edition, at pages 50-51 of the revised 1977 Penguin softcover edition entitled “Signs of Life”.

2

1980

Rood, Robert and Trefil, James in their “Are We Alone?“ (1980) (available on Amazon USA and on Amazon UK) at pages 243-244 (in Chapter 16), 250 (in Chapter 17) of the Scribners hardback edition.

2

1973

Roulet, Alfred in his “The Search for Intelligent Life in Outer Space” (1973) (available on Amazon USA and on Amazon UK) at pages 120-122 (in the unnumbered chapter entitled “The Odds on Life in Space”) of the Berkley paperback edition.

3

1974

Sagan, Carl in “Interstellar Communication : Scientific Perspectives” (1974) (edited by Cyril Ponnamperuma and A G W Cameron) (available on Amazon USA and on Amazon UK) at page 22 (in Chapter 1) of the Houghton Mifflin softcover edition.

1

1973

Sagan, Carl in his “The Cosmic Connection” (1973) (available on Amazon USA and on Amazon UK) at pages 230, 231 (in Chapter 33) of the Double Day hardcover edition, with the same page numbering in the Coronet softcover edition.

2

2002

SETI Institute’s SETI Science and Technology Working Group (“the SSTWG”) in “SETI 2020 : A Roadmap for the Search for Extraterrestrial Intelligence” (2002) (edited by Elkers, Ronald D and Cullers, Kent D and Billingham, John and Scheffer, Louis K) (available on Amazon USA and on Amazon UK) at page 233 (in Chapter 7) of the SETI Press softcover edition.

1

1966

Shklovskii, Iosef Shmuelovich and Sagan, Carl in their “Intelligent Life in the Universe” (1966) (available on Amazon USA and on Amazon UK) at pages 472-475, 477 (in Chapter 34) of the Picador softcover edition.

5

1960

Sloane, Eugene in a letter in Science, Volume 132 (1960.0722), pages 250-253. Letter available online at:http://www.aeiveos.com/~bradbury/ETI/Authors/Dyson-FJ/SfASSoIR_ltr.html

4

1974

Stoneley, Jack and Lawton, A T in their “Is Anyone Out There?” (1974) (available on Amazon USA and on Amazon UK) at pages 192-195 (in Chapter 11) of the Star Books paperback edition.

4

1964

Sullivan, Walter in his “We Are Not Alone” (1964) (available on Amazon USA and on Amazon UK) at pages 221-222 (in Chapter 15) of the Signet paperback revised editions.

2

1990

Swift, David W in his “SETI Pioneers : Scientists Talk About Their Search for Extraterrestrial Intelligence” (1990) (available on Amazon USA and on Amazon UK) at page 11 (in the Introduction) of the Arizona hardback edition.

1

1990

Tarter, Jill Cornell in an interview in David W Swift’s “SETI Pioneers : Scientists Talk About Their Search for Extraterrestrial Intelligence” (1990) (available on Amazon USA and on Amazon UK) at page 370 (in the unnumbered chapter entitled “Jill Cornell Tarter”) of the Arizona hardback edition.

1

1982

Tarter, Jill in “Extraterrestrials: Where are they?” (1982) (edited by Michael Hart and Ben Zuckerman) (available on Amazon USA and on Amazon UK) at page 10 (in Chapter 2) of the Cambridge softcover second edition.

1

2004

Tonnies, Mac in his “After the Martian Apocalypse” (2004) (available on Amazon USA and on Amazon UK) at pages 199-200 (in Chapter 9) of the Paraview Pocket Books softcover edition.

2

2002

Webb, Stephen in his “Where is Everybody?: Fifty Solutions to the Fermi Paradox” (2002) (available on Amazon USA and on Amazon UK) at pages 84-85, 90 (in Chapter 4) of the Copernicus hardback edition.

3

1990

White, Frank in his “The SETI Factor” (1990) (available on Amazon USA and on Amazon UK) at page 54 (in Chapter 5) of the Walker hardback edition.

1

1998

White, Michael in his “Life Out There” (1998) (available on Amazon USA and on Amazon UK) at pages 98-99 (in Chapter 5) of the Little, Brown & Co hardback edition.

2

1977

Wolfe, John in “The Search for Extraterrestrial Intelligence : NASA Special Publication 419 (“NASA SP 419”)” (1977) (edited by Morrison, Philip and Billingham, John and Wolfe, John) at page 73 (in Section 3, in Complementary Document 1) of the National Aeronautics and Space Administration softcover edition. Text of relevant report available free online at: http://history.nasa.gov/SP-419/contents.htm

1

1999

Zubrin, Robert in his “Entering Space: Creating a Spacefaring Civilization” (1999) (available on Amazon USA and on Amazon UK) at pages 240-242 (in Chapter 10) of the Tarcher Putnam hardback edition.

3

1982

Zuckerman, Ben in “Extraterrestrials: Where are they?” (1982) (edited by Michael Hart and Ben Zuckerman) (available on Amazon USA and on Amazon UK) at pages ix, x (in the Preface to the Second Edition) of the Cambridge softcover second edition.

2