R. P. · Robert P. · Robert Percival Porter · Robert V. Percival
| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| An Account of the Island of Ceylon: containing its History, Geography, Natural History, with Manners and Customs of its various Inhabitants | 978-3-8457-1207-9 (3-8457-1207-4) | 2011 | |
| Ukiyo-e: Art for the people | 978-0-919326-00-2 (0-919326-00-5) | 1978 |