| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Kedah, 1771-1821: The Search for Security and Independence | Paperback | 978-0-19-580295-5 (0-19-580295-0) | 1974 |
| Kedah, 1771-1821: The Search for Security and Independence | Hardcover | 978-0-19-638126-8 (0-19-638126-6) | 1972 |