Gale Virtual Reference Library –A database of encyclopedias and reference books in business, the environment, history, law, medicine and the social sciences –including the International Encyclopedia of the Social Science, 2nd ed.

World Book Student — Includes the articles of the World Book Encyclopedia, a Biography Center, dictionary, atlas, an extensive multimedia collection, thousands of editor-selected Web sites, correlations to curriculum standards, and much more.

AccessScience — Updated, authoritative encyclopedia covering all fields of science. Articles authored by experts in their fields are written for students and researchers looking for reliable sources of information.