| Covers listed |
|
| 1930: | #1 /May, #2 / June, #3 /July, #4 / October, #5 Vol 1 No 5/ November, #6 /December, |
| 1931: | February, March, April, May, June, July, September, October, November, December, |
| 1932: | January, February, March, April, May, June, July, August, September, November, December, |
| 1933: | January, February, March, May, June, August, Vol 4 #4October, November, December, |
| 1934: | January, February, March, May, June, July, August, September, November, December, |
| 1935: | January, February, April, May, June, July, September, |
