| Covers listed | |
| 1957: | #3 , |
| 1958: | August, September, |
| 1963: | #10 / October, |
| 1970: | #10 , |
| 1971: | #4 , |
| 1972: | (2), |
| 1975: | (2), |
| 1976: | May, |
| 1977: | September, |
| 1978: | January, April, |
| 1979: | December, |
| 1980: | June, |
| 1984: | March, |
| 1986: | #10 / October, #11 / November, December, |
| 1987: | #4 / April, |
| 1988: | #8 / August, |
| 1990: | July, |
