| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ahalepola maha nilame | 978-955-95132-4-7 (955-95132-4-9) | 1991 |
| Asva kocciyen akasa yatravata =: A history of modern transport in Sri Lanka | 978-955-95132-2-3 (955-95132-2-2) | 1990 |
| Simhala mudranaya ha puvatpat, mul avadiya =: A history of Sinhala printing and newspapers | 978-955-95132-0-9 (955-95132-0-6) | 1987 |