Titanium

Titanium Information Group
Association of suppliers, design engineers and fabricators of titanium formed with the intention of promoting the use of titanium.
International Titanium Association
International Organisation comprising of producers, users, and distributors of titanium products.
Japan Titanium Society
Aim of the organization is to contribute to the progress and welfare of mankind by expanding the uses of titanium at an economical cost and to contribute towards the steady growth and development of the titanium industry.
Metallurgy of Titanium and its Alloys
By H. K. D. H. Bhadeshia of Cambridge University.
United States Geological Survey
Mineral information.
Lenntech
Basic Titanium Information
Wikipedia
Definition and information from open encyclopedia.
Webmineral.com
Titanium Mineral Data
Zyra
Eclectic list of titanium links.