| Covers listed | |
| 1921: | #12 , |
| 1955: | December, |
| 1957: | January, October, |
| 1959: | August, |
| 1962: | April, |
| 1967: | December, |
| 1977: | June, September, |
| 1978: | January, March, April, May, June, July, August, September, October, November, December, |
| 1979: | January, February, March, April, May, |
| 1982: | October, |
| 1994: | October, |
| 1996: | October, |
| 1998: | September, |
| 1999: | January, February, July, |
| 2002: | November, |
| 2010: | October, |
| 2012: | January/February, May/June, July/August, September, October, November/December, |
| 2014: | March, July/August, |
| 2016: | March, April, May/June, July, September, October, November/December, |
| 2017: | January/February, March, April, May/June, July, August, September, November/December, |
| 2018: | January/February, March, April, May, |
