| Covers listed | |
| 1950: | #4 / April, |
| 1951: | #1 / , #7 / , |
| 1952: | #1 , #2 , #3 , #5 , #6 , #7 , |
| 1954: | #1 / , |
| 1956: | #4 / , |
| 1963: | January, April, #5 /May, |
| 1968: | #1 /January, #2 /February, #3 /March, #4 /April, #5 /May, #6 /June, #7 /July, #8 /August, #9 /September, #10 /October, #11 /November, #12 /December, |
| 1975: | #1 /January, |
| 1981: | #3 / , |
| 1985: | #1 / January, |
