1. Gems and precious stones of North America; a popular description of their occurrence, value
Author: Kunz, George Frederick
Library: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
Subject: ، Precious stones,، Gems- North America,، Pearis
Classification :
QE
392
.
K9
2. gems and precious stones of north america
Author: /george frederick kunz
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject:
