| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Encouraging Enterprise: A Medium Term Strategy for 1985-1990 | 978-0-337-09227-5 (0-337-09227-3) | 1986 |
| Northern Ireland Trade Directory 1992 | 978-0-337-09369-2 (0-337-09369-5) | 1992 |
| Northern Ireland Trade Directory 1993 | 978-0-337-09386-9 (0-337-09386-5) | 1993 |