| Letter | Year |
|---|---|
| July 1947 – Vol. 28, No. 7 – The Canadian Indians | July 1947 |
| June 1947 – Vol. 28, No. 6 – Canada’s Eightieth Birthday | June 1947 |
| May 1947 – Vol. 28, No. 5 – Adult Education | May 1947 |
| April 1947 – Vol. 28, No. 4 – Youth Today | April 1947 |
| March 1947 – Vol. 28, No.3 – Representatives Abroad | March 1947 |
| February 1947 – Vol. 28, No. 2 – Prospect of Health | February 1947 |
| January 1947 – Vol. 28, No. 1 – Forest Resources and Industry | January 1947 |
| December 1946 – Vol. 27, No. 12 – Business Libraries | December 1946 |
| November 1946 – Vol. 27, No. 11 – The Toll of Disease | November 1946 |
| October 1946 – Vol. 27, No. 10 – Canada and the United States | October 1946 |