EN 
| Letter | Year |
|---|---|
| August 1961 – VOL. 42, No. 6 – On Conducting a Meeting | August 1961 |
| July 1961 – VOL. 42, NO. 5 – Celebrating Canada’s Centenary | July 1961 |
| May 1961 – Vol. 42, No. 4 – The Human Relations of a Foreman | May 1961 |
| April 1961 – VOL. 42, No. 3 – In Search of a Happy Life | April 1961 |
| March 1961 – VOL. 42, No. 2 – Another Census Year | March 1961 |
| February 1961 – VOL. 42, NO. 1 – The Tensions of Home and Job | February 1961 |
| November 1960 – Vol. 41, No. 9 – On Being a Junior Executive | November 1960 |
| October 1960 – VOL. 41, No. 8 – The Social Challenge of Old Age | October 1960 |
| September 1960 – VOL. 41, No. 7 – Imagination Helps Communication | September 1960 |
| August 1960 – VOL. 41, No. 6 – Education for Democracy | August 1960 |