| Covers listed |
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| 1939: | #1 Vol 1 # 1/December, |
| 1940: | Vol 1 # 2February, Vol 1 # 3March, Vol 1 # 4 May, Vol 1 # 5 June, Vol 1 # 6 July, Vol 1 # 7 August, Vol 1 # 8 September, Vol 1 No 9 October, Vol 1 No 10 November, Vol 1 # 11 December, |
| 1941: | Vol 1 No 12 January, Vol 2 # 1 February, Vol 2 # 2March, Vol 2 # 3April, Vol 2 # 4May, Vol 2 # 5June, Vol 2 # 6July, Vol 2 No 7 August, Vol 2 No 8 September, Vol 2 No 9 October, Vol 2 No 10 November, Annual , |
| 1942: | Vol 2 # 12January, Vol 3 # 1February, Vol 3 # 2 March, Vol 3 # 3 April, Vol 3 # 4May, Vol 3 # 5June, Vol 3 # 6July, Vol 3 # 7 August, Vol 3 # 8September, Vol 3 # 9 October, Vol 3 # 10November, |
| 1943: | Vol 3 # 11 January, Vol 3 # 12February, Vol 4 # 2May, Vol 4 # 4 July, Vol 4 # 5 August, Vol 4 # 7 October, Vol 4 # 8 November, Vol 4 # 9 December, Annual , |
| 1944: | Vol 4 # 10 January, Vol 4 # 12 March, Vol 5 # 1 April, Vol 5 # 4 July, Vol 5 # 5 August, Vol 5 # 7October, |
| 1945: | Vol 5 # 11 February, Vol 6 # 2 May, Vol 6 # 4 July, Vol 6 # 5August, Vol 6 # 6September, Vol 6 # 7October, Vol 6 # 8November, Vol 6 # 9December, |
| 1946: | Vol 6 No 10 January, Vol 6 No 11 February, Vol 6 No 12March, Vol 7 No 1 April, Vol 7 # 2 May, Vol 7 # 3June, Vol 7 # 4July, Vol 7 # 5August, Vol 7 No 6 September, Vol 7 No 7 October, Vol 7 No 8 November, Vol 7 # 9 December, |
| 1947: | Vol 7 # 10January, Vol 7 # 11February, Vol 7 # 12 March, April, Vol 8 # 3 June, Vol 8 # 4 July, Vol 8 # 6 September, Vol 8 # 8 November, Vol 8 # 9December, Annual , |
| 1948: | Vol 8 # 10January, Vol 8 # 11 February, Vol 8 # 12 March, Vol 9 # 1April, Vol 9 # 2 May, Vol 9 # 3 June, Vol 9 # 4 July, Vol 9 # 5 August, Vol 9 # 6 September, AnnualFall, |
| 1949: | Vol 9 # 10January, Vol 9 # 11 February, Vol 9 # 12 March, Vol 10 # 1 April, Vol 10 # 2 May, Vol 10 No 3 June, Vol 10 # 4 July, Vol 10 # 5 August, Vol 10 # 6 September, Vol 10 # 7 October, Vol 10 No 8 November, Vol 10 # 9 December, |
| 1950: | January, February, March, June, July, October, November, |
| 1951: | January, March, AnnualSpring, May, July, August, October, November, December, |
| 1952: | February, March, Annual Vol 14 No 1April, May, June, July, August, September, November, |
| 1953: | January, Annual Vol 14 No 6February, March, April, May, June, July, September, Fall Annual, October, December, |
| 1956: | AnnualFall, Winter Annual, |
| 1957: | AnnualSpring, AnnualWinter, |
| 1959: | February, May, July, September, |
| 1960: | March, |