G.M. · G. MacDonald · R. M. · R. Macdonald
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Manual of French Commercial Correspondence | 978-0-273-42009-5 (0-273-42009-7) | 1962 |
| Manual of Spanish Commercial Correspondence | 978-0-273-42013-2 (0-273-42013-5) | 1965 |