| Covers listed | |
| 1949: | #1 / , |
| 1951: | /February, |
| 1953: | #13a / March, |
| 1954: | #15 /December, |
| 1955: | #17 / , |
| 1957: | #21 /January, |
| 1959: | #22-30 / December, |
| 1961: | #35 /December, |
| 1963: | #40 , |
| 1964: | #42 , |
| 1965: | #44 , |
| 1968: | #50 , |
| 1971: | #57 , |
| 1972: | #58 , #59 , |
| 1973: | #61 , #62 , |
| 1975: | #67/68 , |
| 1976: | #73 , |
| 1977: | #77 , |
| 1979: | #82/83 , |
| 1980: | #86 , #87 , |
| 1981: | #90 , #92 , |
| 1982: | #94 , #95 , #96 , |
| 1983: | #97 , #98 , #99 , |
| 1984: | #100 , #101 , #102 , #104 , |
| 1988: | #118-9 , #120 , #121 , #122 , #123 , #124 , |
| 1989: | #125 , #126/127 , #128 , |
| 1990: | #129/130 , #131 , #132 , |
| 1991: | #135 , #136 , #137 , |
| 1993: | #140 , #141 , #142 , #143 , |
| 1994: | #144 , #146-7 , |
| 1995: | #148 , |
| 1996: | #149 , #150 , #151-2 , |
| 1997: | #153 , #154 , |
