| Covers listed |
|
| 1961: | #1 /October, #2 /November, #3 /December, |
| 1962: | #4 /January, #5 /February, #6 /March, #7 /April, #8 /May, #9 /June, July, August, September, October, November, December, |
| 1963: | January, February, March, April, June, July, August, September, October, November, December, |
| 1964: | January, February, March, April, May, June, August, September, October, November, December, |
| 1965: | Vol 5 January, March, April, May, |
| 1970: | January, February, March, April, May, June, 25 June, 9 July, 23 July, 6 August, 20 August, 3 September, 17 September, |
| 1971: | March, April, May, June, July, August, September, October, November, December, |
| 1972: | January, February, March, April, May, June, July, August/September, October, November, December, |
| 1973: | January, February, March, April, May, June, August, September, October, November, December, |
