| Covers listed | |
| 1929: | Vol 3 # 1January, February, Vol 3 # 5May, October, |
| 1930: | Vol 4 # 5May, Vol 4 # 6June, Vol 4 # 9September, Vol 4 # 10October, |
| 1931: | Vol 5 # 1January, Vol 5 # 3March, Vol 5 # 4April, Vol 5 # 5May, July, December, |
| 1932: | January, April, |
| 1933: | December, |
| 1934: | July, |
| 1935: | February, March, |
| 1933: | May, September, |
| 1934: | April, |
| 1935: | April, |
| 1936: | July, |
| 1937: | February, August, December, |
| 1938: | June, |
