| Covers listed |
|
| 1953: | May, July, September, November, |
| 1954: | January, March, May, July, September, November, |
| 1955: | January, March, May, July, September, November, |
| 1956: | January, March, May, July, September, November, |
| 1957: | January, February, March, May, July, August, September, November, |
| 1958: | January, March, May, July, September, October, |
| 1959: | April, June, October, December, |
| 1960: | February, March, April, June, October, November, |
| 1961: | Annual, May, |
| 1962: | , |
| 1964: | September, |
| 1965: | Vol 3 # 3January, March, May, July, Vol 4 # 1September, November, |
| 1966: | January, March, May, July, September, November, |
| 1967: | January, March, May, July, September, November, |
| 1968: | January, March, May, July, September, November, |
| 1969: | January, March, May, July, September, November, |
| 1970: | January, March, May, July, September, November, |
| 1971: | January, March, May, July, September, November, |
| 1972: | January, March, May, July, September, November, |
