A Guide to Interior Design Research

High quality images and descriptions of marble and granite.

High quality images and descriptions of granite and marble.

High quality glass and ceramic tile images and descriptions.

Browseable a catalog of materials

A catalog of innovative materials that matches material needs with material solutions.

The Lighting Research Center (LRC) at Rensselaer Polytechnic Institute is the world's leading center for lighting research and education

Information on lighting choices. Links to Lighting Principles and Terms and Lighting and Daylighting Products and Services.

Extensive glossary of lighting terms. Commercial site. Also offers "a free online course on lighting fundamentals.

The American Lighting Association is a trade association representing the residential lighting industry, serving members and their customers, and working to protect and advance the industry, while promoting the sale and proper application of quality lighting products.