This book is an essential read for gem enthusiasts, historians, and anyone intrigued by the intersections of nature, culture, and belief.

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations.

Scattered across the globe, the Isma'ilis constitute the second largest Shi'i community in the Muslim World.

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations.

This book offers a new type of working tool for Cartesian studies.

Karen L. King offers an illuminating reading of this ancient text--a narrative of the creation of the universe and humanity and a guide to justice and salvation, said to be Christ's revelation to his disciple John.

This book presents a cultural history of the Greek tragedy and its influence on subsequent Greek and Roman art and literature.