Virtual Reference Shelf--Selected Web resources compiled by the Library of Congress.  These resources are maintained by the Library's Digital Reference Center.


Acronyms Archive: TUCAA--This website allows you to consult a database of computer-related acronyms.  You can navigate alphabetically through acronyms, search for specific acronyms or define new ones. 

Acronym Finder Find out what any acronym, abbreviation, or initialism stands for.  The Acronym Finder is a searchable database of over 4 million acronyms, abbreviations and meanings.

Acronym Server--Another place to search for the meaning of acronyms (context is not included in results) 

AltaVista translations page: Babelfish--Yahoo! Babelfish provides free online text and web page language translation tools.

American Heritage Dictionary of the English Language--Preeminent Internet publisher of literature, reference and verse providing students, researchers and the intellectually curious with unlimited access to books and information on the web. 

ArtLex - Visual Arts Dictionary--You'll find definitions for more than 3,600 terms used in discussing art/visual culture, along with thousands of supporting images, pronunciation notes, great quotations and cross references. 

Business and a Variety of Other Dictionaries (XRefer)--Leading provider of reference services for libraries and information centers.  Gain access to any of a possible 3,261,243 entries, from 440 titles and 64 publishers full-text, aggregated content covers every major subject from the world's best publishers of reference. 

Compact Oxford English Dictionary--Compact Oxford English Dictionary of Current English contains 145,000 words, phrases, and definitions. 

Dictionary of Cell and Molecular Biology--Provides definitions of a large number of terms associated with cells and Molecular Biology. 

Dictionary of Philosophical Terms--This is a concise guide to technical terms and personal names often encountered in the study of philosophy. 

Dictionary of Phrase and Fable--From the Bibliomania website. A dictionary of literary sources. 

Dictionary of Science and Technology-- (Academic Press) Technical, scientific or technological terms. Search withing scientific disciplines or just by a keyword.

Electrochemistry Dictionary--More than 1,000 simple and brief definitions of words and phrases used often in electrochemistry, crosslinked with the Electrochemistry Encyclopedia. 

FindLaw Legal Dictionary--An easily searchable law dictionary.  Definitions come with an example in context.

Get Human - Here is the web address for listings of companies, etc. using automated telephone systems and how to get around them and get a human being.

Medical Dictionary

Nolo's Dictionary--The most authoritative and comprehensive legal information online. 

One Look Dictionaries--Meta search engine for nearly 500 Web-based dictionaries in multiple subject areas. Contains a database of words, terms, names, and acronyms.

Online Dictionary for Library and Information Science--Reference resource of library and information science terminology (maintained by Libraries Unlimited). 

Online Slang Dictionary--American slang, ghetto slang, gangster slang, and English slang words from around the world.  Learn thousands of real slang words or add your own.  Thesaurus, maps, usage voting, offensiveness rating, and more. 

Rap Dictionary--The oldest and ultimate resource for looking up hip-hop slang.  Currently consists of 4,736 content pages. dictionary of slang, webspeak, made up words, and colloquialisms.  Browse our listings, or submit your own slang words to the site. 

Visual Merriam-Webster--A quick glance at the index is all it takes to connect words with images.  Explore 15 major themes to access more than 6,000 images and see words like never before. 

Web of Online Dictionaries - World Languages--The definitive resource for dictionaries, thesauruses, word games, language, grammar and much more. 

Webster's Dictionary--Free online dictionary, thesaurus, Spanish-English, and medical dictionaries, audio pronunciations, Word of the Day, word games, and much more. 


Artcyclopedia--The Fine Art Search Engine.  It is an index of online museums and image archives: find out where the works of over 8000 different fine artists can be viewed online. 

Connected : Internet Encyclopedia - The technical aspects of the internet

Encyclopaedia Britannica--Delivers fast and easy access to high-quality, comprehensive information.  The rich combination of Encyclopedia Britannica plus Merriam-Webster's Collegiate Dictionary and Thesaurus, magazines and periodicals, and many other research tools. 

Encyclopedia Mythica--On-line encyclopedia on mythology, folklore, and legend, containing definitions of deities, fabulous creatures and places, as well as images and stories. 

Greek Mythology Links--A collection of the Greek myths written by Calos Parada The mythical accounts are based exclusively on ancient sources.

Jewish Encyclopedia--Contains the complete contents of the 1906 Jewish Encylopedia.  Over 15,000 articles and pictures about the Torah, history, literature, biography, geography, and more. 

Nolo's Legal Encyclopedia--Hundreds of free articles on everyday legal topics.  Our articles are always accurate, up to date, and written in plain English.  The most authoritative and comprehensive legal information online. 

Stanford Encyclopedia of Philosophy--A freely accessible online encyclopedia of philosophy maintained by Stanford University. 


Acronyms & Abbreviations--Database of over 12,000 acronyms from various sources.   

Acronym Finder--World's largest and most comprehensive dictionary of acronyms, abbreviations, and initialisms.  Also includes U.S. and Canadian postal codes. 

Bartleby's Reference Works - An all in one place for encyclopedias, dictionaries, and other reference works.

Biographical Dictionary--Information on 33,000 notable people from ancient times to present day.
Booksellers/Appraisers source for used, new, rare and out of print books.  Classic collectibles, rare editions, etc.

Antiquarian Bookseller's Association of America--Rare and antiquarian books offered for sale.
International League of Antiquarian Booksellers--Represents booksellers around the world. 

Calculators Online--Collection of links to online calculators on nearly every subject imaginable, including science.
Cost of Living Calculator--Compares cost of living comparison between cities.
Salary Calculator--Compare the cost of living in hundreds of U.S. and international cities. 

Disasters and Emergency Preparedness--Are You Ready?  An in-depth guide to citizen preparedness. 

How Far is It?--Uses data from the U.S. census and a supplementary list of worldwide cities to find the latitude and longitude of two places, then calculates the distance between them (as the crow flies).  It also provides a map. 

How to Do Just About Everything--eHow is the world's most popular place to find step-by-step instructions on how to do just about everything. 

Information Please Almanac Online Dictionary, Internet Encyclopedia & Almanac Reference -
Searchable collection of online almanacs, dictionaries and the 5th Edition Columbia Encyclopedia online.

Monetary Value
How Much is That Worth Today? - Comparing the purchasing power of money in the United States (or colonies) from 1665 to any other year including the present. 

Measuring Worth: Relative Value of US Dollars--Six ways to compute the relative value of a U.S. dollar amount, 1774 to present. 

BabyCenter--Shows popularity of certain names through history. 
BabyNames--Search over 15,000 names from anywhere. 
Concise Dictionary of First Names--Find out what your name really means or choose the name for your new baby.

Bartlett's Familiar Quotations--Collection of passages, phrases, and proverbs traced to their sources in ancient and modern literature. 

Little Oxford Dictionary of Quotations--Oxford has been collecting, sourcing, researching, and authenticating quotations, and has developed one of the richest language resources in the world today. 

Quotations--Find exactly the quotation you're looking for.  Get the perfect quote for any occasion, on every topic, by any author 

Telephone Directories
AnyWho Directory --AT&T Labs sponsored 800/888 tollfree directory, reverse lookup, white pages and yellow pages telephone directory information.

Area Code Phone Directory--Area Code listings for major cities in the U.S.
BIGBOOK Online Phone Directory--Yellow pages, local search, maps, driving directions, traffic.
Reverse Telephone Listing Lookup--Find a person by phone number. 
Telephone Directories Worldwide--Find individuals and companies worldwide in just a few clicks. 

The Ultimates--Comprehensive white pages directory, email lookup, and yellow pages.

Zip Code Look-up and Address Information--United States Postal Services Web site lets you search for any zip code in the United States as well as links to postal rate information and related services.