EN 
| Letter | Year |
|---|---|
| April 1964 – Vol. 45, No 4 – Outward Bound | April 1964 |
| March 1964 – VOL. 45, No. 3 – Shakespeare After 400 Years | March 1964 |
| February 1964 – VOL. 45, No. 2 – A Vacation in Canada | February 1964 |
| January 1964 – VOL. 45, No. 1 – A Blitz on Illness | January 1964 |
| December 1963 – VOL. 44, No. 12 – Saving Our Watersheds | December 1963 |
| November 1963 – VOL. 44, No. 11 – Our Misunderstandings | November 1963 |
| October 1963 – VOL. 44, No 10 – Adult Learning is Necessary | October 1963 |
| September 1963 – VOL. 44, No. 9 – About Guiding Young People | September 1963 |
| August 1963 – VOL. 44, No. 8 – Adventuring into Old Books | August 1963 |
| July 1963 – VOL. 44, No. 7 – The Family in Our Changing Society | July 1963 |