Ayer Co Pub · Oxford University Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ecological and Agarian Regions of South East Asia Circa 1930 | 978-0-19-577597-6 (0-19-577597-X) | 2004 |
| Ecological and Agrarian Regions of South Asia Circa 1930 | 978-0-19-577598-3 (0-19-577598-8) | 1996 |
| Investment in Empire: British Railway and Steam Shipping Enterprise in India, 1825-1849 | 978-0-405-09723-2 (0-405-09723-9) | 1977 |