1953

Menzel, Donald H “Flying Saucers” (1953) (available on Amazon USA and on Amazon UK)

1963

Menzel, Donald H and Boyd, Lyle “The World of Flying Saucers” (1963) (available on Amazon USA and on Amazon UK)

1977

Menzel, Donald H and Taves, Ernest “The UFO Enigma” (1977) (available on Amazon USA and on Amazon UK)

1979

Ball, Brian in his “A Young Person’s Guide to UFOs” (1979) (available on Amazon USA and on Amazon UK) at pages 44-45 (in Chapter 4) of the Dragon paperback edition.

2

1995

Barclay, David in his “Aliens: The Final Answer?” (1995) (available on Amazon USA and on Amazon UK) at page 92 (in Chapter 6) of the Blandford softcover edition.

1

1967

Binder, Otto in his “What we really know about Flying Saucers” (1967) (available on Amazon USA and on Amazon UK) at pages 205-206 (in Chapter 17) of the Fawcett paperback edition.

2

2004

Birnes, William in his “The UFO Magazine UFO Encyclopedia” (2004) (available on Amazon USA and on Amazon UK) at pages 214-215 (in an entry entitled “Menzel, Donald”) of the Pocket Books softcover edition.

2

1995

Bryan, C D B in his “Close Encounters of the Fourth Kind: Alien Abduction, UFOs, and the Conference at MIT” (1995) (available on Amazon USA and on Amazon UK) at page 192 (in Chapter 5) of the Weidenfeld & Nicolson hardback edition (with the same page numbering in the Knopf hardback edition and the Penguin Arkana softcover edition) at pages 257-258 of the Orion paperback edition.

1

1994

Campbell, Steuart in his “The UFO Mystery Solved” (1994) (available on Amazon USA and on Amazon UK) at pages 61-64 (in Chapter 3) of the Explicit Books softcover edition.

4

1994

Cassirer, Manfred in his “Dimensions of Enchantment” (1994) (available on Amazon USA and on Amazon UK) at page 13 (in Chapter 2) of the Breese Books softcover edition.

1

1988

Cassirer, Manfred in his “Parapsychology and the UFO” (1988) (available on Amazon USA and on Amazon UK) at page 30 (in Chapter 16) of the Cassirer softcover edition.

1

1967

Chambers, Howard in his “UFOs for the millions” (1967) (available on Amazon USA and on Amazon UK) at pages 80-87 (in Chapter 7), 96 (in Chapter 8) of the Bell hardcover edition.

8

1998

Clark, Jerome in his “The UFO Book: Encyclopedia of the Extraterrestrial” (1998) (available on Amazon USA and on Amazon UK) at pages 386-396 (in an entry entitled “Menzel, Donald Howard (1901-1976)”) of the Visible Ink Press softcover edition.

11

1990

Clark, Jerome in his “The UFO Encyclopedia: 1st edition: Volume 1 – UFOs in the 1980s” (1990) (available on Amazon USA and on Amazon UK) at pages 158-162 (in an entry entitled “Menzel, Donald Howard (1901-1976)”) of the Apogee hardback edition.

5

1996

Clark, Jerome in his “The UFO Encyclopedia: 1st edition: Volume 3 – High Strangeness” (1996) (available on Amazon USA and on Amazon UK) at pages 297-298 (in an entry entitled “McDonald, James Edward (1920-1971)”) of the Omnigraphics hardback edition.

2

1998

Clark, Jerome in his “The UFO Encyclopedia: The Phenomenon from the Beginning - 2^nd edition” (1998) (available on Amazon USA and on Amazon UK) in Volume 2:L-Z at pages 633-639 (in an entry entitled “Menzel, Donald Howard (1901-1976)”), 596-597 (forming part of an entry entitled “McDonald, James Edward (1920-1971)”) of the Omnigraphics hardback edition.

9

2007

Clarke, David and Roberts, Andy in their “Flying Saucerers : A social history of UFOlogy” (2007) (available on Amazon USA and on Amazon UK) at page 65 (in Chapter 4) of the Alternative Albion softcover 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 879 (in Section 5, Chapter 2 “UFOs: 1947-1968”, 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 525 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

1956

Constance, Arthur in his “The Inexplicable Sky” (1956) (available on Amazon USA and on Amazon UK) at pages 213-219, 239 (in Chapter 8) of the Werner Laurie hardback edition.

8

2000

Darling, David in his “The Extraterrestrial Encyclopedia” (2000) (available on Amazon USA and on Amazon UK) at page 270 (in the entry entitled “Menzel, Donald Howard (1901-76)”) of the Three Rivers softcover edition.

1

2003

Darling, David in his online encyclopedia, “The Encyclopedia of Astrobiology, Astronomy and Spaceflight” (2003) in the entry entitled “Menzel, Donald Howard (1901-1976)”. The relevant entry is available online at:

http://www.daviddarling.info/encyclopedia/M/Menzel.html

1

1997

Dash, Mike in his “Borderlands” (1997) (available on Amazon USA and on Amazon UK) at pages 155-156 (in Chapter 4) of the Arrow paperback edition.

2

1999

Davidson, Keay in his “Carl Sagan: A Life” (1999) (available on Amazon USA and on Amazon UK) at pages 168, 171, 173 (in Chapter 7), 226-228, 229, 230, 233 (in Chapter 8) of the Wiley softcover edition.

9

1998

Dick, Steven J in his “Life on Other Worlds“ (1998) (available on Amazon USA and on Amazon UK) at pages 146-147 (in Chapter 5) of the Cambridge hardback edition.

2

1996

Dick, Steven J in his “The Biological Universe” (1996) (available on Amazon USA and on Amazon UK) at pages 279-281 (in Chapter 6) of the Cambridge hardback edition.

3

2003

Druffel, Ann in her “Firestorm : Dr James E McDonald's Fight for UFO Science” (2003) (available on Amazon USA and on Amazon UK) at pages 25-26 (in Chapter 2), 85 (in Chapter 4), 162, 163-164 (in Chapter 8), 381-382 (in Chapter 14) of the Wild Flower Press softcover edition.

8

1978

Edelson, Edward in his “Who Goes There?” (1978) (available on Amazon USA and on Amazon UK) at pages 81-82 (in Chapter 7) of the NEL paperback edition (with the same page numbering in the NEL paperback edition combining this book and Chris Boyce’s “Extraterrestrial Encounter).

2

1997

Emmons, Charles F in his “At The Threshold: UFOs, Science and the New Age” (available on Amazon USA and on Amazon UK) at pages 85-86 (in Chapter 5) of the Wild Flower Press softcover edition.

2

1983

Evans, Hilary in his “The Evidence for UFOs” (1983) (available on Amazon USA and on Amazon UK) at page 12 (in Chapter 1), 110 (in Chapter 6) of the Aquarian softcover edition.

2

1976

Flammonde, Paris in his “Ufo Exist!” (1976) (available on Amazon USA and on Amazon UK) at pages 268-269 (in Chapter 14) of the Ballantine Books paperback edition.

2

1981

Fowler, Raymond E in his “Casebook of a UFO Investigator” (1981) (available on Amazon USA and on Amazon UK) at pages 15 (in Chapter 2), 32-33 (in Chapter 3) of the Prentice-Hall hardback edition. (1999) at pages 115-116 (in Chapter 11), 164 (in Chapter 16) of the Alpha Books softcover edition.

3

1974

Fowler, Raymond E in his “UFOs: Interplanetary Visitors” (1974) (available on Amazon USA and on Amazon UK) at pages 39-42 (in Chapter 4), 172-177 (in Chapter 11) of the Exposition Banner hardback edition, at pages 38-40, 167-172 of the Bantam paperback edition.

10

1992

Friedman, Stanton and Berliner, Don in their “Crash at Corona” (1992) (available on Amazon USA and on Amazon UK) at pages 63-64 (in Chapter 6), 152-153 (in Chapter 12), 219 (in the Suggested Reading) of the 1997 Marlowe Company softback edition.

5

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 51-52 (in Chapter 1), 136 (in Chapter 5), 205-206 (in Chapter 8), 271-272, 277 (in Chapter 10) of the New Page softcover edition.

8

1990

Friedman, Stanton in “The UFO Report 1991” (1990) (edited by Timothy Good) (available on Amazon USA and on Amazon UK) at pages 152-160 (in Chapter 7) of the Guild Publishing hardback edition.

9

1991

Friedman, Stanton in an interview in “UFOs And The Alien Presence: Six Viewpoints” (1991) (Edited by Michael Lindemann) (available on Amazon USA and on Amazon UK) at page 44 (in Chapter 1) of the 2002 Group softcover edition.

1

1997

Friedman, Stanton T in his “Top Secret – MAJIC” (1997) (available on Amazon USA and on Amazon UK) at pages 24-25 (in Chapter 1), 26-40 (Chapter 2 generally), 67 (in Chapter 4), 233-234 (in Appendix C) of the Michael O’ Mara hardback edition.

20

1969

Fuller, John in his “Aliens in the Skies” (1969) (available on Amazon USA and on Amazon UK) at pages 18-20 (in the Introduction), 89 (in Chapter 2), 180-182, 186 (in Chapter 8), 190-192 (in Appendix 1) of the Putnam hardback edition.

11

1999

Glenday, Craig in his “The UFO Investigator’s Handbook” (1999) (available on Amazon USA and on Amazon UK) at page 20 (in Chapter 1) of the Running Press softcover edition.

1

1987

Good, Timothy in his “Above Top Secret” (1987) (available on Amazon USA and on Amazon UK) at pages 271-272 (in Chapter 12) of the Sidgwick & Jackson hardback edition (with the same page numbering in the Guild Publishing hardback edition and the Grafton paperback edition).

2

1996

Good, Timothy in his “Beyond Top Secret” (1996) (available on Amazon USA and on Amazon UK) at pages 341-343 (in Chapter 15), 470 (in Chapter 18) of the Sidgwick & Jackson hardback edition (with the same page numbering in the Pan paperback edition).

4

1980

Greenwell, J Richard in “The Encyclopedia of UFOs” (1980) (edited by Ronald Story) (available on Amazon USA and on Amazon UK) at pages 229-230 (in an entry entitled “Menzel, Donald H[oward]”) of the NEL hardback edition.

2

2000

Hall, Michael David and Connors, Wendy Ann in their “Captain Edward J Ruppelt : Summer of the Saucers - 1952” (2000) (available on Amazon USA and on Amazon UK) at pages 124-126 (in Chapter 4), 190-191 (in Chapter 7), 220, 221, 230 (in the Conclusion) of the Rose Press softcover edition.

8

1999

Hall, Michael David in his “UFOs : A Century of Sightings” (1999) (available on Amazon USA and on Amazon UK) at page 212 (in Chapter 4) of the Galde Press softcover edition.

1

1961

Hall, Richard in “Challenge of Unidentified Flying Objects” (1961) by Maney, Charles And Richard Hall (available on Amazon USA and on Amazon UK) at pages 142-143, 144-146 (in Part 3, Chapter 7, by Richard Hall), 162-164 (in Part 3, Chapter 8, by Richard Hall) of the privately published hardback edition.

8

2000

Hansen, Terry in his “The Missing Times : News Media Complicity in the UFO Cover-Up : News Media Complicity in the UFO Cover -Up” (2000) (available on Amazon USA and on Amazon UK) at pages 246-247 (in Chapter 6) of the Xlibris softcover edition.

2

1965

Holledge, James in his “Flying Saucers over Australia” (1965) (available on Amazon USA and on Amazon UK) at pages 39-43 (in Chapter 4) of the Horwitz paperback edition.

5

1975

Hynek, J Allen and Vallee, Jacques in their “The Edge of Reality” (1975) (available on Amazon USA and on Amazon UK) at pages 187-189 (in Chapter 7), 230 (in Chapter 8) of the Henry Regnery hardback edition.

4

1975

Jacobs, David Michael in his “The UFO Controversy in America” (1975) (available on Amazon USA and on Amazon UK) at page 73 (in Chapter 3) of the Indiana hardback edition, pages 64 of the Signet paperback edition.

1

1988

Keel, John A in his “Disneyland of the Gods” (1988) (available on Amazon USA and on Amazon UK) at pages 24-25 (in the unnumbered chapter entitled “A Short History of Boobery”) of the I-Net softcover edition.

2

1953

Keyhoe, Donald E in his “Flying Saucers from Outer Space” (1953) (available on Amazon USA and on Amazon UK) at pages 5, 13-15 (in Chapter 1) of the Henry Holt hardback edition, pages 12-13 and 20-22 of the Tandem paperback edition.

4

1960

Keyhoe, Donald E in his “Flying Saucers: Top Secret” (1960) (available on Amazon USA and on Amazon UK) at pages 126-127 (in Chapter 8) of the G P Putnam hardback edition.

2

1979

Knight, David C in his “UFOs: A pictorial history from antiquity to the present” (1979) (available on Amazon USA and on Amazon UK) at page 91 (in Part 3) of the McGraw Hill hardback edition.

1

1997

Korff, Kal K in his “The Roswell UFO Crash: What They Don’t Want You to Know” (1997) (available on Amazon USA and on Amazon UK) at pages 192-196 (in Chapter 6) of the Dell paperback edition.

5

1998

Mannion, Michael in his “Project Mindshift” (1998) (available on Amazon USA and on Amazon UK) at page 225 (in Chapter 8) of the Evans hardback edition.

1

1997

Marrs, Jim in his “Alien Agenda” (1997) (available on Amazon USA and on Amazon UK) at page 110 (in Chapter 4) of the Harper Collins paperback edition.

1

1985

Mayr, Ernst in “Extraterrestrials: Science and alien intelligence” (1985) (edited by Edward Regis) (available on Amazon USA and on Amazon UK) at pages 23, 25 (in Part 2) of the Cambridge University Press softcover edition.

2

1968

McDonald, James E in his prepared statement to the Roush Hearing (the U.S. House of Representatives Committee on Science and Astronautics "Symposium on Unidentified Flying Objects" on 1968.0729) at pages 80-82 of the transcript of the Ninetieth Congress, Second Session, Number 7. Complete transcript available free online at the following links:

http://ncas.sawco.com/ufosymposium/contents.html http://www.project1947.com/shg/symposium/contents.html

3

1968

McDonald, James E in the Roush Hearing (the U.S. House of Representatives Committee on Science and Astronautics "Symposium on Unidentified Flying Objects" on 1968.0729) at page 26 of the transcript of the Ninetieth Congress, Second Session, Number 7. Edited and annotated transcript presented by Fuller, John in his “Aliens in the Skies” (1969), with the relevant extract appearing at page 77 (in Chapter 2) of the Putnam hardback edition. Complete transcript available free online at the following links:

http://ncas.sawco.com/ufosymposium/contents.html http://www.project1947.com/shg/symposium/contents.html

1

2002

Moseley, James and Pflock, Karl in their “Shockingly Close to the Truth!” (2002) (available on Amazon USA and on Amazon UK) at pages 99, 101 (in Chapter 4), 185-186 (in Chapter 8), 265 (in Chapter 13) of the Prometheus hardback edition.

5

1977

Peters, Ted in his “UFOs-God's Chariots?: Flying Saucers in Politics, Science & Religion” (1977) (available on Amazon USA and on Amazon UK) at page 69 (in Chapter 4) of the John Knox hardback edition.

1

1974

Quintanilla, Hector (Major) in his unpublished manuscript entitled “UFOs: An Air Force Dilemma” (copyright 1974) at pages 22, 62 of the manuscript, at pages 35, 75 of the NIDS pdf version available free on-line on various websites, including at the following link:

http://www.projectbluebook.us/UFOs%20An%20Air%20Force%20Dilemma%20By%20Quintanilla.pdf

http://www.nidsci.org/pdf/quintanilla.pdf

2

2002

Randle, Kevin D in his “Case MJ-12” (2002) (available on Amazon USA and on Amazon UK) at pages 181-183 (in Chapter 10) of the Harper Torch paperback edition.

3

1997

Randle, Kevin D in his “Project Bluebook Exposed” (1997) (available on Amazon USA and on Amazon UK) at pages 180-182 (in the unnumbered chapter entitled “So, What Do We Make of All This?”) of the Marlowe softcover edition.

3

1999

Randle, Kevin D in his “Scientific Ufology” (1999) (available on Amazon USA and on Amazon UK) at pages 204-208 (in Chapter 7) of the Avon softcover edition.

5

1994

Ritchie, David in his “UFO : The Definitive Guide” (1994) (available on Amazon USA and on Amazon UK) at pages 137-138 (in an entry entitled “Menzel, Donald (1901-1976)”) of the MJF hardback edition.

2

1980

Sachs, Margaret in her “The UFO Encyclopedia“ (1980 (available on Amazon USA and on Amazon UK) at page 197 (in an entry entitled “Menzel, Donald Howard”) of the Corgi softback edition.

1

1968

Salisbury, Frank B in “The Official Guide to UFOs” (1968) (edited by the editors of Science & Mechanics) (available on Amazon USA and on Amazon UK) at page 47 (in unnumbered chapter entitled “The Scientist and the UFO”) of the Ace paperback edition.

1

1968

Saunders, David R and Harkins, R Roger in their “UFOs? Yes!” (1968) (available on Amazon USA and on Amazon UK) at page 148 (in Chapter 14) of the Signet paperback edition.

1

1980

Sheaffer, Robert in his “The UFO Verdict” (1980) (available on Amazon USA and on Amazon UK) at pages 17-18 (in Chapter 3) of the Prometheus softback edition.

2

1998

Sheaffer, Robert in his “UFO Sightings: The Evidence” (1998) (available on Amazon USA and on Amazon UK) at page 35 (in Chapter 3) of the Prometheus hardback edition.

1

1997

Spencer, John and Spencer, Anne in their “Fifty Years of UFOs” (1997) (available on Amazon USA and on Amazon UK) at page 133 (in the unnumbered chapter entitled “1977-1987”) of the Boxtree hardback edition.

1

1991

Spencer, John in his “The UFO Encyclopedia” (1991) (available on Amazon USA and on Amazon UK) at pages 211-212 (in an entry entitled “Menzel, Dr Donald H”) of the Guild hardback edition (with the same page numbering in the Avon softcover edition) at page 247 of the Headline paperback edition.

2

2001

Story, Ronald in “The Encyclopedia of Extraterrestrial Encounters” (2001) (edited by Ronald Story) (available on Amazon USA and on Amazon UK) at pages 343-345 (in an entry entitled “Menzel, Donald H.”) of the New American Library softcover edition, at pages 336-337 of the pdf edition (with the same page numbering in the Microsoft Word edition).

3

2001

Story, Ronald in “The Mammoth Encyclopedia of Extraterrestrial Encounters” (2001) (edited by Ronald Story) (available on Amazon USA and on Amazon UK) at pages 415-416 (in an entry entitled “Menzel, Donald H.”) of the Robinson softcover edition.

2

1980

Story, Ronald in his “Guardians of the Universe?” (1980) (available on Amazon USA and on Amazon UK) at pages 142-143 (in Chapter 14) of the New English Library paperback edition.

2

1999

Sturrock, Peter in his “The UFO Enigma“ (1999) (available on Amazon USA and on Amazon UK) at page 11 (in Chapter 2) of the Warner Aspect hardback edition.

1

1973

Thomas, Paul in his “Flying Saucers Through The Ages” (1973) (available on Amazon USA and on Amazon UK) at pages 27, 28 (in Chapter 3) of the Tandem paperback edition.

2

1988

Vallee, Jacques in his “Dimensions“ (1988) (available on Amazon USA and on Amazon UK) at page 230 (in Part 3, Chapter 8) of the Souvenir Press hardback edition.

1

1992

Vallee, Jacques in his “Forbidden Science: Journals 1957-1969.” (1992) (available on Amazon USA and on Amazon UK) at pages 87 (in Chapter 7, journal entry for 1964.0125), 244 (in Chapter 14, journal entry for 1967.0222) of the North Atlantic Books hardback edition, at page 249 of the 1996 abridged Marlowe paperback edition, and many other entries.

2

1975

Vallee, Jacques in his “The Invisible College” (1975) (available on Amazon USA and on Amazon UK) at page 45 (in Chapter 2) of the Dutton hardback edition, at page 53 of the Panther paperback edition (published under the title “UFOs : The Psychic Solution”).

1

1980

Von Buttlar, Johannes in his “The UFO Phenomenon” (1980) (available on Amazon USA and on Amazon UK) at page 168 (in Chapter 14) of the Book Club Associates hardback edition.

1

1967

Young, Mort in his “UFO Top Secret” (1967) (available on Amazon USA and on Amazon UK) at page 87 (in Chapter 6) of the Essandess softcover edition.

1