Maps

Acronym Finder
A searchable database containing common acronyms and abbreviations about all subjects, with a focus on computers, technology, telecommunications, and the military
Atlapedia
Full color physical and political maps as well as key facts and statistics on countries of the world
Bartlett's Familiar Quotations
A searchable collection (Columbia University) of passages, phrases, and proverbs traced to their sources in ancient and modern literature - Use drop-down menu to select Bartlett.
Bible Gateway
Search several different versions by passage, topic, keyword.
Biographical Dictionary
This dictionary covers more than 33,000 notable men and women who have shaped our world from ancient times to the present day. It can be searched by birth years, death years, positions held, professions, literary and artistic works, achievements, and other keywords.
Dictionary.com
Encyclopedia Smithsonian
Frequently asked questions about the Smithsonian and links to Smithsonian resources from A to Z.
The Free Library
Internet Encyclopedia of Philosophy
Searchable database[University of Tennessee-Martin]
Internet Public Library
Collection [University of Michigan]
iTools
Sampling of available resources: currency converter, universal translator, stock quotes, dictionaries
Library Spot
RefDesk
National Inventors Hall of Fame
Index of inventors
RefDesk
Convenient links to popular online almanacs, calculators, dictionaries, directories, encyclopedias, historic documents, quotations, statistics, and thesauri
The Reference Desk
Comprehensive collection of reference links
RhymeZone
Searchable database [Carnegie Mellon University]
Roget's Thesaurus
Searchable database [University of Chicago]
The Virtual Reference Desk
Search by keyword; browse by subject groupings.
Virtual Schoolhouse
A variety of resources [University of North Carolina]
A.Word.A.Day
Free email subscription service
World Fact Book [CIA]
Merriam-Webster Dictionary