Indium

Minor Metal Trade Association
Benefits and promotes the interests of its international membership, comprising companies actively involved in all aspects of the international trade of minor metals in all their various forms.
Indium Corporation of America
Supplier of electronics assembly materials, including solder pastes and supplier of commercial grade and high-purity indium. Website includes data sheets and technical papers to download (PDFs)
U.S. Geological Survey
Indium Statistics and Information
Wikipedia
Information from open source encyclopedia.
Webelements.com
Basic Indium information.
http://www.scescape.net/~woods/elements/indium.html
Chemical information on Indium.
Indium nitride springs a surprise
Physics Web - Researchers in the UK and the US have discovered that indium nitride can support a large build-up of negative charge at its surface.
Webmineral.com
Indium mineral information