Online Reference Sources

current edition

Authoritative resource consisting of tables of data and current international recommendations on nomenclature, symbols, and units related to not only the physical sciences but also biology, geology, and environmental science.

Biographical Sources

Full text articles on scientists, from classical antiquity to modern times.

Statistics & Data

Summarizes statistical information from American Statistics Index (ASI), Statistical Reference Index(SRI), and Index to International Statistics (IIS) plus links to some full text websites.