Dictionaries & Encyclopedias
General Resources
General
Oxford Reference Online Premium Collection
This comprehensive resource provides access to English dictionaries, bilingual dictionaries, encyclopedias, quotations, maps and subject reference works published by Oxford University Press.
Dictionaries
American Heritage Dictionary of the English Language
The electronic dictionary contains more than 90, 000 entries, including 70, 000 audio word pronunciations, color illustrations and word-root appendixes.
OneLook Dictionary Search
Enter a word to search for online dictionaries that include that word.
Oxford English Dictionary, 3rd Edition
The OED is an historical dictionary of the English language. The dictionary provides current definitions of words while tracing their evolution over the last millennium through the use of quotations.
Webster's Third New International Dictionary
Comprising over 450,000 vocabulary definitions, each with etymological and phonological descriptions, this dictionary is presented here in fully searchable form.
YourDictionary
A dictionary meta-site, that provides links to dictionaries in over 200 languages. Many of the dictionaries are bilingual.
Encyclopedias
Encyclopedia Britannica Online
Britannica Online consists of a fully searchable and browsable collection of authoritative references.
TechEncyclopedia
Provides definitions for over 20,000 information technology terms and phrases.
Wikipedia
This multilingual and "free content" encyclopedia is written collaboratively by contributors from all over the globe.
Quotations
Bartlett's Quotations
This tenth edition contains over 11,000 searchable quotations.
Simpson’s Contemporary Quotations
The Most Notable Quotations: 1950–1988 has over 9,000 quotations from 4,000 sources organized into 25 categories and 60 sections.
The Columbia World of Quotations
The 65,000 essential quotations that constitute this authoritative collection represent the research of 154 experts. Entries from more than 5,000 authors and speakers are multiply classified into 6,500 subjects
