The Encyclopedia Britannica Concise eHow
Encyclopedia Smithsonian Eric Weisstein's World of Science
The 50 States of the United States Healthfinder
Infoplease: All the Knowledge You Need Information Please Almanac
IRS Forms and Publications Kelley Blue Book
MedTerms.com Medical Dictionary Merck Manual of Medical Information - Home Edition
MerckSource Merriam-Webster Dictionary
National Cancer Institute National Geographic Maps
Occupational Outlook Handbook Purdue Online Writing Lab (OWL)
RxList - prescription drugs and medications Son of Citation Machine
Statistical Abstract of the United States Thesaurus.com: Roget's Thesaurus
U.S. State Department: Country Profiles Who2
Wikipedia in English