| Subject | Title | Author | Volume(Issue) |
| Kammann, Richard | Psychic Surgery Cuts a New Figure | Mary Smiles | 4(3)5-7 | Buy this back issue |
| Kammann, Richard | Clues in "Remote Viewing" | Kendrick Frazier | 3(2)34 | Buy this back issue |
| Kansas | Monkey Business in Kansas, The | Kendrick Frazier | 23(6)7-8 | Buy this back issue |
| Kansas | Kansas Vote Ousting Creationist Board Members Helps Restore Science Standards | Kendrick Frazier | 24(6)7-8 | Buy this back issue |
| Kansas | American Association of Physics Teachers Statement on the Teaching of Evolution and Cosmology | American Association of Physics Teachers | 24(1)5 | Buy this back issue |
| Kansas | Science Educators Rebut Creationist-friendly Wall Street Journal Column | Kendrick Frazier | 24(6)8 | Buy this back issue |
| Kaplan, Albert | It's All Greek | Richard de Mille | 7(3)90 | Buy this back issue |
| Kaplan, Stephen | | Robert Sheaffer | 5(4)13-14 | Buy this back issue |
| Kappas, John | John Kappas | No Author | 4(3)16 | Buy this back issue |
| Karpov, Anatoly | | Robert Sheaffer | 6(4)15 | Buy this back issue |
| Katz, Leo | Earlier Enquirer Test, An | I. J. Good | 6(1)77-78 | Buy this back issue |
| Katz, Yasha | Tests & Investigations of Three Psychics | James Randi | 2(2)25-39 | Buy this back issue |
| Keel, John | | Robert Sheaffer | 9(1)19-20 | Buy this back issue |
| Kemp, Barron | | Robert Sheaffer | 6(3)12-13 | Buy this back issue |
| Kermit the Frog | | Robert Sheaffer | 6(3)12-13 | Buy this back issue |
| Keyhoe, Donald | Father of UFOlogy, The FOIA and the FBI | Philip J. Klass | 7(2)13 | Buy this back issue |
| Khalifa, Rashid | Numerology of Dr Rashid Khalifa, The | Martin Gardner | 21(5)16-17,58 | Buy this back issue |
| Khomeini, Ayatollah | | Robert Sheaffer | 5(2)15 | Buy this back issue |
| Kidnappings | In Brief | Kendrick Frazier | 6(2)14 | Buy this back issue |
| Kihief | Kihief | No Author | 4(4)16 | Buy this back issue |
| Kihief | Kihief | No Author | 3(3)24 | Buy this back issue |
| Kinniburgh, Stephen R. | Session with a Trance Medium | T. Gray | 4(2)12-13 | Buy this back issue |
| Kirlian Photography | Kirlian Technique, The | A. J. Watkins & W. S. Bickel | 13(2)172-184 | Buy this back issue |
| Kirlian Photography | Study of the Kirlian Effect, A | A. J. Watkins & W. S. Bickel | 10(3)244-257 | Buy this back issue |
| Kiyota, Masuaki | Television Tests of Masuaki Kiyota | Christopher Scott | 3(3)42-48 | Buy this back issue |
| Kiyota, Masuaki | Tests of "Thoughtography" | John B. Hasted | 4(4)78-79 | Buy this back issue |
| Kiyota, Masuaki | Michael J. Hutchinson Replies | Michael J. Hutchinson | 4(4)79-80 | Buy this back issue |
| Klass, Philip J. | Sturrock's Response to Klass | Peter A. Sturrock | 3(2)77-78 | Buy this back issue |
| Klass, Philip J. | New Subcommittee on UFOs | No Author | 1(2)127 | Buy this back issue |
| Klass, Philip J. | Confusion About Klass | No Author | 13(3)249 | Buy this back issue |
| Klass, Philip J. | An Asteroid with Klass | Kendrick Frazier | 23(3)7 | Buy this back issue |
| Klass, Philip J. | UFOs and the FBI Files | Russell W. Gibbons | 7(4)76-77 | Buy this back issue |
| Klass, Philip J. | Hynek Profile, The | Ron Westrum | 4(1)77-78 | Buy this back issue |
| Klass, Philip J. | Klass County UFO Abductions | C. Eugene Emery | 20(6)12 | Buy this back issue |
| Klass, Philip J. | New Subcommittee on UFOs | No Author | 3(2)11 | Buy this back issue |
| Klotz, A. H. | It's All Greek | Richard de Mille | 7(3)90 | Buy this back issue |
| Klotz, A. H. | Rationality and Commonsense | Hans Havermann | 2(1)125 | Buy this back issue |
| Knight, J. Z. | J.Z. Knight Divorce Trial | Michael R. Dennett | 17(3)253-255 | Buy this back issue |
| Knowledge | Paradox of Knowledge, The | Lee Loevinger | 19(5)18-21 | Buy this back issue |
| Knowledge | Knowledge From the Subconscious | Sigmund Freud | 3(4)36 | Buy this back issue |
| Knowledge | Romance of Knowledge, The | Carl Sagan | 13(1)23 | Buy this back issue |
| Knowledge | Consilience: The Unity of Knowledge | By Edward O. Wilson. Rev. by Paul Kurtz | 22(4)47-49 | Buy this back issue |
| Knowledge | Deja Vu: Descartes All Over Again | George Englebretsen | 26(5)62-63 | Buy this back issue |
| Knowledge | Explaining the Cheese | Ralph Estling | 26(1)54-55 | Buy this back issue |
| Knowledge | Instinct to Invent "Knowledge" | George J. Neuerburg | 10(3)286 | Buy this back issue |
| Knowledge | Knowledge, Certainty, and the Principle of Tolerance | Ralph Estling | 24(6)55-56 | Buy this back issue |
| Knowles, Judy | Tests and Investigations of Three Psychics | James Randi | 2(2)25-39 | Buy this back issue |
| Koestler, Arthur | Martin Gardner Replies | Martin Gardner | 9(3)299-300 | Buy this back issue |
| Koestler, Arthur | Koestler Appointment Goes to Robert Morris | Kendrick Frazier | 10(1)7-8 | Buy this back issue |
| Koestler, Arthur | Koestler Bequest, The | John Beloff | 9(3)299 | Buy this back issue |
| Koestler, Arthur | Koestler Money Down the Psi-Drain? | Martin Gardner | 9(1)13-16 | Buy this back issue |
| Koestler, Arthur | Science, Mysteries, and the Quest for Evidence | Martin Gardner | 10(4)303-306 | Buy this back issue |
| Koestler, Arthur | Roots of Coincidence | Richard Kammann | 5(2)51 | Buy this back issue |
| Korchnoi, Victor | | Robert Sheaffer | 6(4)15 | Buy this back issue |
| Kosmos-1123 Military Satellite | Persian Gulf UFO, The | James E. Oberg | 4(4)8-10 | Buy this back issue |
| Kosmos-1188 Military Satellite | Soviet-Argentine UFO Blitz-Solved, The | No Author | 7(1)2-5 | Buy this back issue |
| Kovoor, Abraham T. | Committee News Notes | No Author | 1(1)88-89 | Buy this back issue |
| Kowal, Charles | Charles Kowal | No Author | 3(1)14-15 | Buy this back issue |
| Krakatene | Krakatene: The Name is Just Fine, But It Can’t Be C6 | Zdenek Slanina | 24(4)18-19 | Buy this back issue |
| Krippner, Stanley | Kendrick Frazier Replies | Kendrick Frazier | 9(3)303 | Buy this back issue |
| Krippner, Stanley | Correction | No Author | 8(1)96 | Buy this back issue |
| Krishnamurti, Jiddo | David Bohm and Jiddo Krishnamurti | Martin Gardner | 24(4)20-23 | Buy this back issue |
| Kristol, Irving | Irving Kristol & the Facts of Life | Martin Gardner | 12(2)128-131 | Buy this back issue |
| Kubler-Ross, Elisabeth | | Robert Sheaffer | 6(1)14 | Buy this back issue |
| Kurtz, Paul | More on Astrology | Ron Westrum | 1(2)107-112 | Buy this back issue |
| Kurtz, Paul | Eysenck Disputes Review | H. J. Eysenek | 8(1)89-90 | Buy this back issue |
| Kurtz, Paul | No "Decline Effect" | Mortimer T. Cohen | 3(4)73-74 | Buy this back issue |
| Kurtz, Paul | Hoax Letter, A | Kendrick Frazier | 4(3)10-11 | Buy this back issue |
| Kurtz, Paul | Remus Extremus | Dennis Rawlins | 6(2)58-65 | Buy this back issue |
| Kurtz, Paul | Paul Kurtz Receives Norton Medal, University's Highest Award | Kevin Christopher | 25(5)13 | Buy this back issue |
| Kurtz, Paul | About the "Mars Effect" | Michel Gauquelin | 6(2)76-77 | Buy this back issue |
| Kurtz, Paul | Tests vs Phenomena Tested | Hilary Evans | 4(1)76 | Buy this back issue |
| Kurtz, Paul | Paul Kurtz Elected Fellow of AAAS | No Author | 17(1)16 | Buy this back issue |
| Kusche, Larry | Berlitz's Fictional Pyramid | Kendrick Frazier | 3(1)5-6 | Buy this back issue |
| Kusche, Larry | Book Beat | Kendrick Frazier | 7(1)15 | Buy this back issue |
