Gems
| Use attributes for filter ! | |
| Google books | books.google.com |
|---|---|
| Originally published | 1962 |
| Authors | Robert Webster |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2606983 |
About Gems
Since it was first published in 1962 `Gems', written by Robert Webster and revised in its fourth edition by Basil Anderson, has become universally recognised as the most comprehensive and authoritative treatise on gem materials in the English language. . . .