EN 
| Letter | Year |
|---|---|
| May 1973 – VOL. 54, No. 5 – A Century of Law | May 1973 |
| April 1973 – VOL. 54, No. 4 – A Conspectus for Youth | April 1973 |
| March 1973 – VOL. 54, No. 3 – Making the Most of Language | March 1973 |
| February 1973 – VOL. 54, No. 2 – Building and Keeping Up Quality | February 1973 |
| January 1973 – VOL. 54, No. 1 – About Being Resourceful | January 1973 |
| December 1972 – VOL. 53, No. 12 – The Pleasures and Benefits of Travel | December 1972 |
| November 1972 – VOL. 53, No. 11 – The Urge to Know | November 1972 |
| October 1972 – VOL. 53, No. 10 – St. John Ambulance in Canada | October 1972 |
| September 1972 – VOL. 53, No. 9 – Courtesy: a Saving Grace | September 1972 |
| August 1972 – VOL. 53, No. 8 – Conservation is a Way to Stay Alive | August 1972 |