| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| James Watt: Volume 1: His Time in Scotland, 1736-1774 : His Time in Scotland, 1736-1774 Vol 1 | 978-1-84306-045-1 (1-84306-045-0) | 2002 |
| Life and Inventions of Richard Roberts 1789-1864 | 978-1-84306-027-7 (1-84306-027-2) | 2002 |
D,. H.. · D Hills · D L Hills · (D-R) · D Richard · L -H · R. H. · R. L · Richard H. · Richard L. · Richard L. Hills