| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Education in the Nineteenth Century | 978-1-103-57054-6 (1-103-57054-4) | 2009 |
| The Earth's History: An Introduction to Modern Geology | 978-1-146-69668-5 (1-146-69668-X) | 2010 |
(D-R) · D. Roberts · R.D. · R. D. Roberts · R. Davies · R.R. · R. Roberts · Robert D. · Robert Davies · Robert R. · Robert Roberts