| title | ISBN-13 | year of publication |
|---|---|---|
| Business Today | 978-0-273-01749-3 | 1981 |
| Commerce and the World Outside | 978-0-273-40812-3 | 1975 |
| Commerce and the World Outside | 978-0-273-42171-9 | 1967 |
| Practical Assignments in Commerce | 978-0-273-00032-7 | 1974 |
| This Business of Buying and Selling | 978-0-273-31753-1 | 1974 |