An online version of McGraw-Hill Encyclopedia of Science & Technology and McGraw-Hill Dictionary of Scientific and Technical Terms. It contains nearly 9,000 online encyclopedia articles, terms, images and videos related to sciences and technology.
Provides online versions of 500 published reference works, including general and specialized dictionaries and encyclopedias. Try the Concept Map to search for terms and topics that are interconnected and displayed in a visual form.
Encyclopedias for Background Research
A selection of online encyclopedias that provides general overviews of topics across many subjects. Start here to get working definitions of key concepts and a big picture view of your topic.
Gale Virtual Reference Library
GVRL has over 200 encyclopedias and specialized reference sources for multidisciplinary research. Look here for biology, chemistry, nursing and medicine, sociology, history, education, law, and more.