| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Fishes of Brazil- an Aid to the Study of Spix and Agassizs 1829-31: Selecta Genera et Species Piscium Brasiliensium | 978-955-9114-03-1 (955-9114-03-4) | 1998 | Rohan Pethiyagoda · Maurice Kottelat |
| "No, cousin, I'll to fife": A memoir of my life during the years in which I served the Government of Ceylon/Sri Lanka as an Officer of the Ceylon Civil Service and as permanent secretary | 978-955-97008-0-7 (955-97008-0-4) | 2000 | |