| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Economic Geography for Professional Students | Paperback | 978-0-273-31827-9 | 1974 |
| Economic Geography for Professional Students | " | 978-0-273-31594-0 | 1971 |
| Economic geography for professional students | 978-0-273-40756-0 | 1968 | |
| Outline Answers in Economic Geography | Hardcover | 978-0-273-31494-3 | 1972 |
| Outline Answers in Economic Geography | Paperback | 978-0-273-31586-5 | 1972 |