| Covers listed | |
| 1970: | #1 /August, #2 / September, #3 /October, #4 /15 November, #5 /30 November, #6 /15 December, #7 /30 December, |
| 1971: | #8 /January, #9 , #10 /28 February, #11 /30 March, #12 , #13 , #14 , #15 , #16 , #17 /15 August, #18 /30 August, #19 /15 October, |
| 1972: | #20 , #21 /15 January, #22 /1 February, #23 /February, #24 /March, #25 /15 March, #26 /1 April, #27 /15 April, |
