R. H. · R. Harding · Roger H. · Roger R. Harding
Sterling · The Natural History Museum
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Gemstones | 978-1-4027-2406-0 (1-4027-2406-3) | 2005 | Cally Oldershaw · Christine Woodward |
| Gemstones | 978-0-565-09155-2 (0-565-09155-7) | 2001 | Cally Oldershaw · Christine Woodward |