| 0 | 68 | Galaxy SF | 0 | | Asimov – Brown – Knight – Biggle – Clarke |
| 0 | 59 | Galaxy SF | 0 | | (loose) Simak – Asimov – Banks – Leiber |
| 29 | 3 | Astounding Science Fiction | 1942 | 05 | A E van Vogt – Isaac Asimov – Alfred Bester |
| 0 | 0 | Astounding Science Fiction | 1944 | 06 | George O Smith – Malcolm Jameson – Lester del Rey – Fritz Leiber – Isaac Asimov |
| 5 | 8 | Astounding Science Fiction | 1947 | 01 | Jones – O’Donnell – Asimov – Simak |
| 6 | 2 | Astounding Science Fiction | 1948 | 02 | Jack Williamson – Poul Anderson – Edward Grendon – Isaac Asimov – Anthony Boucher |
| 6 | 10 | Astounding Science Fiction | 1949 | 06 | Anderson – Eric Frank Russell – Isaac Asimov – Bade |
| 7 | 4 | Astounding Science Fiction | 1950 | 06 | L Padgett – JA Winter – Isaac Asimov – Peter Phillips – W Macfarlane – Judith Merril |
| 8 | 1 | Astounding Science Fiction | 1951 | 12 | Eric Frank Russell – Isaac Asimov – Gordon R Dickson |
| 9 | 3 | Astounding Science Fiction | 1953 | 03 | Isaac Asimov – Walter M Miller – M C Pease |
| 9 | 4 | Astounding Science Fiction | 1953 | 04 | Eric Frank Russell – Isaac Asimov – Gene L Henderson |
| 9 | 5 | Astounding Science Fiction | 1953 | 05 | Raymond F Jones – Issac Asimov – Robert Donald Locke |
| 0 | 14 | Galaxy SF | 1954 | | (vg) Nourse – Sturgeon – Sheckley – Asimov |
| 10 | 3 | Astounding Science Fiction | 1954 | 03 | Tom Godwin – Issac Asimov – Ralph Williams – James White – Mark Reynolds and Fredric Brown |
| 10 | 7 | Astounding Science Fiction | 1954 | 07 | (vg-) Isaac Asimov – Smith – von Wold – Correy – Coupling |
| 0 | 57 | Galaxy SF | 1956 | | (vg-)Pohl – Kornbluth – Sheckley – Asimov – Galouye |
| 12 | 10 | Astounding Science Fiction | 1956 | 10 | (vg) Cole – Jones – Sentry – Lang – Asimov |
| 18 | 54 | New Worlds | 1956 | 12 | (vg) Barclay – J G Ballard – Asimov – Wilson – Morgan – White (cover by Quinn ) |
| 13 | 2 | Astounding Science Fiction | 1957 | 02 | (vg) Asimov – Budrys – Garrett & Silverberg – Hunton |
| 13 | 2 | Fantasy and Science Fiction UK | 1957 | 08 | Walter M Miller – Stuart Palmer – Mildred Clingerman – Rog Phillips – William Morrison – Les Cole – Damon Knight – H Ken Bulmer – Doris P Buck – Anthony Boucher – Robert Heinlein – Isaac Asimov |
| 13 | 9 | Astounding Science Fiction | 1957 | 09 | (vg-) Garrett – Correy – McGuire – Randall – Asimov |
| 13 | 11 | Astounding Science Fiction | 1957 | 11 | Asimov – Del Ray – Silverberg – Budrys – Gordon |
| 0 | 11 | Future Science Fiction | 1958 | | (vg) Asimov – Thomas – Aldiss – Harris – Hardwick – Smith |
| 0 | 5 | Future Science Fiction | 1958 | | (vg)Mathieu – Chandler – Wilhelm – Groener – Embs – Asimov |
| 14 | 2 | Astounding Science Fiction | 1958 | 02 | Leinster – Anvil – Garrett – Heinlein – Asimov |
| 15 | 10 | Astounding Science Fiction | 1959 | 12 | (vg) Garrett – Thomas – Budrys – Anvil – Isaac asimov – Gordon R Dickson |
| 1 | 1 | Fantasy and Science Fiction UK | 1959 | 12 | Z Henderson – A Davidson – Ray Bradbury – R Sheckley – Asimov – A Bester – C Emshwiller – Fritz Leiber – Howard Fast – G C Edmondson – Poul Anderson – cover Emsh |
| 1 | 4 | Fantasy and Science Fiction UK | 1960 | 03 | (vg-) M Clifton – Asimov – G E Neyroud – S Barr – J Rice – C M Kornbluth – Heinlein – R Bretnor – Robert Natan Cover Mel Hunter |
| 1 | 5 | Fantasy and Science Fiction UK | 1960 | 04 | P Anderson – N Wilde – J Russ – Heinlein – L Bonnet – Asimov – C Henneberg – G C Edmondson – Simak |
| 1 | 6 | Fantasy and Science Fiction UK | 1960 | 05 | Howard Fast – Evely E Smith – R J Tilley – R McKenna – Algis Budrys – Asimov – Robert Arthur – Robert Murray – Jane Rice – Will Worthington – Ward Moore |
| 1 | 7 | Fantasy and Science Fiction UK | 1960 | 06 | Poul Anderson – Theodore Sturgeon – Issac Asimov – Charles L Fontenay – Edgar Pangborn – Damon Knight – Robert F Young – Clifford D Simak |
| 1 | 8 | Fantasy and Science Fiction UK | 1960 | 07 | Daniel Keyes – James Blish – John Collier – Levi Crow – G C Edmundson – Isaac Asimov – Avram Davidson – Robert Sheckley |
| 1 | 9 | Fantasy and Science Fiction UK | 1960 | 08 | F McMorrow – J Whitehall – P J Farmer – J Collier – Asimov – G R Dickson – Heinlein |
| 16 | 7 | Analog | 1960 | 09 | Garrett – Cory – Harris – Mark Phillips – Isaac Asimov |
| 1 | 10 | Fantasy and Science Fiction UK | 1960 | 09 | C Henneberg – W Worthington – Agate – A Davidson – Asimov – Jules Verne – H Fast – W Miller – Heunlein |
| 1 | 11 | Fantasy and Science Fiction UK | 1960 | 10 | Gordon R Dickson – Charles G Finney – Will Worthington- Miriam Allen Deford – Isaac Asimov – Howard Fast – Clifford D Simak |
| 1 | 12 | Fantasy and Science Fiction UK | 1960 | 11 | S Barr – T R Cogswell – Z Henderson – Asimov – A Davidson – A H Z Carr – M A DeFord – G R Dickson – Wilson Tucker |
| 2 | 1 | Fantasy and Science Fiction UK | 1960 | 12 | R F Young – J Sharkey – A Porges – G C Edmondson – Asimov – R Arthur – R E Banks – J Berry – S Barr |
| 2 | 2 | Fantasy and Science Fiction UK | 1961 | 01 | D R Bunch – K Reed – J F Suter – R G Brown – Asimov – Evelyn E Smith – R Bretnor – G R Dickson – J Whitehill – Burton Raffel |
| 2 | 3 | Fantasy and Science Fiction UK | 1961 | 02 | James Blish – P Anderson – Howard Fast – K Maclean – Asimov – R Matheson – Wade Miller – Philip Jose Farmer |
| 2 | 4 | Fantasy and Science Fiction UK | 1961 | 03 | R F Young – Will Worthington – Asimov – JW Vandercook – B J Friedman – Mack Reynolds |
| 2 | 5 | Fantasy and Science Fiction UK | 1961 | 04 | Fritz Lieber – MA Deford – W McClintic – Asimov – J Berry – W P Saunders – D Linsay – Algis Budrys |
| 2 | 6 | Fantasy and Science Fiction UK | 1961 | 05 | Anderson – Aandhl – Simak – Asimov – De Vet – Eastlake |
| 2 | 7 | Fantasy and Science Fiction UK | 1961 | 06 | M Ayme – T L Thomas – R G Brown – Asimov – Goulart – C B Kelly – Aldiss |
| 2 | 8 | Fantasy and Science Fiction UK | 1961 | 07 | G R Dickson – R F Young – A Davidson – John Wyndham – Asimov – J Williams – J Berry – A Bester – P J Farmer |
| 2 | 9 | Fantasy and Science Fiction Uk | 1961 | 08 | (vg-) McCaffrey – Reed – Smith – Asimov – Robert Graves – Richard Banks – Aldiss cover Mel Hunter |
| 2 | 10 | Fantasy and Science Fiction UK | 1961 | 09 | R Rubin – C Emshwiller – S Barr – Asimov – R Bretnor – J Williams – P Anderson |
| 2 | 11 | Fantasy and Science Fiction UK | 1961 | 10 | Garrett & Davidson – A C Clarke – J A West – Asimov – M A DeFord – D P Buck – Mark Twain – Cordwainer Smith |
| 2 | 12 | Fantasy and Science Fiction UK | 1961 | 11 | Kingsley Amis – N Breckenridge – P Anderson – A Davidson – Asimov – K Neville – Aldiss |
| 3 | 1 | Fantasy and Science Fiction UK | 1961 | 12 | G R Dickson – V Aandahl – Harry Harrison – W Blau – C F Cheinisse – Asimov – Davidson & Klass – K Reed – Leinster |
| 3 | 2 | Fantasy and Science Fiction UK | 1962 | 01 | F Wallace – N T Peterson – G Klein – H Gold – Asimov – W McCintic – M Young – Aldiss |
| 3 | 3 | Fantasy and Science Fiction UK | 1962 | 02 | G Langerlaan – C G Finney – Asimov – R G Brown – Kurt Vonnegut – A C Clarke – A Davidson – Kornbluth & Pohl – G R Dickson |
| 3 | 4 | Fantasy and Science Fiction UK | 1962 | 03 | K Laumer – W Tevis – R Rubin – G P Elliott – Asimov – D P Buck – A Glaser – R Garrett – G R Dickson |
| 3 | 5 | Fantasy and Science Fiction UK | 1962 | 04 | C Veillot – H Gold – A Walker – Asimov – W Stanton – J A West – H Draper – Aldiss |
| 3 | 7 | Fantasy and Science Fiction UK | 1962 | 06 | J G Ballard – Avram Davidson – J T McIntosh – Isaac Asimov – Josef Nesvadba – Barry Stevens – Ward Moore |
| 3 | 8 | Fantasy and Science Fiction UK | 1962 | 07 | E Pangborn – M Grass – R atheson – M W Wellman – Asimov – Leiber – A Davidson – Z Henderson |
| 3 | 9 | Fantasy and Science Fiction UK | 1962 | 08 | J Williams – J Shepley – K Reed – Asimov – C Henneberg – Aldiss – R F Young |
| 4 | 3 | Fantasy and Science Fiction UK | 1963 | 02 | M Clingerman – R F Young – S Gilien – D White – Asimov – V Aandahl – K F Crossen – R Sheckley |
| 4 | 5 | Fantasy and Science Fiction UK | 1963 | 04 | Aldiss – J Harmon – R Kirk – R Arthur – Asimov – S Gilien – H Damonti – G R Dickson |
| 4 | 5 | Fantasy and Science Fiction | 1963 | 04 | Aldiss – Harmon – Kirk – Arthur – Asimov – Gilien – Damonti – Dickson |
| 27 | 4 | Fantasy and Science Fiction | 1964 | 10 | L Brackett – E Hamilton – T I Thomas – D Knight – A Davidson – R Bretnor – Asimov – H Smith – R F Young |
| 0 | 20 | Venture Science Fiction | 1965 | 04 | (vg) Shirley Jackson – Robert Bloch – Allen Kim Lang – Theodore Sturgeon – Robert Silverberg – Assac Asimov |
| 0 | 0 | Fantasy and Science Fiction | 1965 | 06 | Poul Anderson – Frederic Brown – Judith Merril – Ron Goulart – Theodore L Thomas – Herb Lehrman – Greg Benford – Doris Pitkin Buck – L Sprague De Camp -Isaac asimov -Roger Zelazny – Robert Arthur |
| 24 | 1 | Galaxy SF | 1965 | 10 | (vg) Pohl – Smith – Sheckley – Gold – Pangborn – Simak – Leiber – Asimov – Bradbury |
| 31 | 4 | Fantasy and Science Fiction | 1966 | 10 | Isaac Asimov – L Sprage De Camp – Gahan Wilson – Arthur Porges – Vic Chapmen – R L Stephenson – Jon Decles – Brian W Aldiss – Sally Daniell |
| 35 | 4 | Fantasy and Science Fiction UK | 1968 | 10 | Larry Niven – Robert Silverberg – Phullis Murphy – Harvey Jacobs – D F Jones – Harlon Ellison – Isaac Asimov – Ron Goulart – Arthur C Clarke |
| 18 | 12 | Worlds of if | 1968 | 12 | J F Grow – A B Chandler – Isaac Asimov – Bram Hall – J G Ballard – Harlan Ellison – Reynolds – |
| 20 | 4 | Worlds of if | 1970 | 05 | Asimov – Harding – Frank Herbert – Young – Goulart – Lafferty – Gene Wolfe |
| 21 | 4 | Worlds of if | 1972 | 03 | Harry Harrison – Colin Kapp – David Magil – David R Bunch – Robert Bloch – Isaac Asimov |
| 32 | 5 | Galaxy SF | 1972 | 03 | Isaac Asimov – James White – W Macfarlane – Milton A Rothman – Robert F Young |
| 89 | 4 | Analog | 1972 | 05 | S Kye Boult – Waldrop – Simak – Asimov – Harrison |
| 32 | 6 | Galaxy SF | 1972 | 05 | (f) Isaac Asimov – Gunn -Gerrold – Macfarlane – Rome – Eisenberg – Fisher (Cover Gaughan) |
| 22 | 5 | Worlds of if | 1974 | 05 | (f) Saberhagen – Asimov – Silverberg – Anvil – Schmitz – Reynolds – Watkins – Collins |
| 46 | 5 | Fantasy and Science Fiction | 1974 | 05 | Asimov – Cox – Gotlieb – Maclennan – Del Rey – Borski – Grant |
| 49 | 2 | Fantasy and Science Fiction | 1975 | 08 | Tom Reamy – Avram Davidson – Runyon – Slesar – Asimov – Young – Eisenberg – Goulart |
| 50 | 1 | Fantasy and Science Fiction | 1976 | 01 | G K Wolf – J Russ – Asimov – S Dybek – M G Coney – K Reed – H Barkin – |
| 96 | 2 | Analog | 1976 | 02 | Bear – Peirce – Asimov – Herbert |
| 2 | 6 | Isaac Asimov’s SF Magazine | 1978 | 11 | (vg+) Longyear – Roberts – Gardner – Kaderabek – Botd – Asimov – Eisenstine – Ford – Osgood – Wellan – Gaughan – Bever – Lange – Baterman – Williamson – cover Barr |
| 100 | 1 | Analog | 1980 | 01 | Lisa Tuttle – Martin – Gottfried – Kennedy – Ben Bova – Asimov |
| 4 | 5 | Isaac Asimov’s SF Magazine | 1980 | 05 | (vg+) McEnroe – Gardner – Tall – Roberts – Hand – Farber – Asimov – Andreissen & Poyner – Cover Barr |
| 59 | 4 | Fantasy and Science Fiction | 1980 | 10 | Zenna Henderson – Cowper – Lee – Leman – Tevis – Watson – Asimov |
| 62 | 4 | Fantasy and Science Fiction | 1982 | 04 | Sterling – Daglow – Weiner – Asimov – Benford – Easton – Shea – Yermakov |
| 63 | 5 | Fantasy and Science Fiction | 1982 | 11 | Robinson – Blish – Pronzini – Malzberg – Asimov – McLaughlin – Willis – Morressy – Weiner – Russ |
| 109 | 7 | Analog | 1989 | 07 | Flynn – Manzione – Goodloe – Oltion – Asimov Bova |
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