Other
Interational Copper Association: Copper Info
A great site with extensive information about copper and its role in life on Earth. Includes history of copper as well as a 59-page book on copper production around the world, published in 2012.
Other
Copper Development Association: Copper in the Usa: Bright Future Glorious Past
This page describes the history of copper use in the United States and the future of copper in industry. Contains a good overview of copper use in the U.S.