| Covers listed | |
| 1920: | 15 October, 1 November, |
| 1934: | 15 August, |
| 1938: | 15 November, 30 November, 14 December, 21 December, 28 December, |
| 1939: | 11 January, 18 January, 8 March, 19 April, |
| 1940: | 15 May, 22 May, |
| 1941: | 14 May, 21 May, |
| 1950: | 19 July, |
| 1952: | 2 July, 9 July, 30 July, 17 September, |
| 1953: | 28 January, |
