| Covers listed |
|
| 1956: | Vol 1 No 1 March, |
| 1967: | July, August, October, November, December, |
| 1968: | July, September, October, November, Special , |
| 1969: | January, April, May, June, August, September, October, #2 Special/ , |
| 1970: | January, March, May, July, September, November, |
| 1971: | January, March, April, July, November, |
| 1972: | January, February, March, April, May, June, July, August, September, |
| 1975: | Fall, December, |
| 1976: | January, February, May, June, August, October, November, December, |
| 1977: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1978: | January, February, March, April, May, June, July, August, October, November, December, |
| 1979: | January, March, April, May, June, July, August, September, October, November, December, |
| 1980: | January, February, March, April, May, June, |
