| Covers listed |
|
| 1929: | #1 /September, December, |
| 1930: | October, November, December, |
| 1931: | January, February, March, April-May, June-July, August-September, October, November, December, |
| 1932: | January, February, March, April, June-July, August/September, November, December, |
| 1933: | February, August/September, |
| 1934: | January, February, |
| 1935: | January, February, March, April/May, August/September, October, December, |
| 1936: | May, September, October, December, |
| 1937: | January, April, June-July, November, |
| 1938: | April-May, November, |
| 1939: | June/July, August/September, December, |
| 1940: | January, April/May, |
| 1949: | November, December, |
| 1950: | January, February, March, April/May, June/July, August/September, October, November, December, |
| 1951: | February, April/May, June/July, August/September, |
| 1952: | January, February, March, April/May, June/July, August/September, October/November, December 1952/ January 1953, |
| 1953: | February/March, April-May, June/July, August-September, October/November, , |
| 1954: | February-March, April-May, June-July, August-September, October-November, , |
| 1955: | February-March, April-May, |
