n/c ยท N. Crawford
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Scottish Agates | 978-0-9558106-1-9 (0-9558106-1-2) | 2010 | David Anderson |
| Scottish Pebble Jewellery: Its History and the Materials from Which it Was Made | 978-0-9558106-0-2 (0-9558106-0-4) | 2007 | |