EN 
| Letter | Year |
|---|---|
| February 1944 – Vol. 25, No. 2 – | February 1944 |
| January 1944 – Vol. 25, No. 1 – | January 1944 |
| December 1943 – Vol. 24, No. 12 – | December 1943 |
| Letter | Year |
|---|---|
| February 1944 – Vol. 25, No. 2 – | February 1944 |
| January 1944 – Vol. 25, No. 1 – | January 1944 |
| December 1943 – Vol. 24, No. 12 – | December 1943 |