| Covers listed |
|
| 1955: | #1 /January, March, May, June, August, October, December, |
| 1956: | February, March, April, June, August, October, December, |
| 1957: | February, April, June, August, October, December, |
| 1958: | February, April, June, August, October, December, |
| 1959: | March, May, July, September, November, |
| 1960: | January, March, May, July, September, November, |
| 1961: | January, March, May, July, September, November, |
| 1962: | January, March, May, July, September, November, |
| 1963: | January, March, May, July, September, November, |
| 1964: | January, March, July, September, |
| 1971: | March, May, July, September, |
