Provides background information to help answer health questions.MedlinePlus also has extensive information about drugs, an illustrated medical encyclopedia, and latest health news.
Credo Reference Online
Provides full-text online access to many reference books in all major subjects and disciplines.
Gale Virtual Reference Library
Contains a huge number of full text encyclopedias and other reference sources. Another great place to find background information.
Opposing Viewpoints Resource Center
A large collection of full text sources from a variety of publications. It covers the pros and cons of all kinds of social and political issues.
An online collection of over 40 reference titles from Sage Publications. It is especially good for the social sciences and sciences.
Contains the complete encyclopedia, Merriam-Webster's Collegiate Dictionary & the Britannica Book of the Year.