Excerpt from Handbook and Descriptive Catalogue of the Collections of Gems and Precious Stones in the United States National Museum
In the annual report of the United States National Museum for 1900 (1902)there was published a descriptive Это и многое другое вы найдете в книге Handbook and Descriptive Catalogue of the Collections of Gems and Precious Stones in the United States National Museum (Classic Reprint) (George P. Merril)