This list provides links to various online dictionaries, encyclopedias, directories, pathfinders related to demography. In addition there are links to online writing aids, maps and geographic information. Additional reference sources are available at the YRL Reference Collection Online.

Dictionaries     Encyclopedias     Directories      Guides      Writing Aids      Maps & Geographic Information


General Language Dictionaries Online

American Heritage Dictionary of the English Language (4th ed., 2000)
Description: Over 90,000 entries feature 10,000 new words and senses, 70,000 audio word pronunciations, 900 full-page color illustrations, language notes and word-root appendixes.

Cambridge Dictionaries Online
Description: Includes Cambridge International Dictionary of English and Cambridge Dictionary of American English. Up-to-date.

Chinese-English /English-Chinese Dictionaries Online
Description: Freely available from

Danish-English/ English-Danish Dictionary
Description: 4500 terms. Provides a link to Danish-English site.

Dutch-English/ English-Dutch Dictionary
Description: 15,000 terms. Provides a link to Danish-English site.

Finnish-English/ English-Finnish Dictionary
Description: Free Finnish-English/ English-Finnish online dictionary.

French-English/ English-French Dictionary
Description: 75,000 terms. (Restricted to users with UCLA domain names.)

German-English/ English-German Dictionary
Description: More than 180,000 terms.

Japanese-English/ English-Japanese Dictionary
Description: Japanese to English/ English to Japanese dictionary in Japanese.

Description: Online general dictionary for English words.

Norwegian-English, English-Norwegian Dictionary
Description: Free Norwegian-English/ English-Norwegian online dictionary.

Oxford English Dictionary
Description: Electronic version of the 2nd ed. of the Oxford English Dictionary

Roget’s Thesaurus via
Description: An up-to-date Roget’s Interactive Thesaurus™

Swedish-English, English-Swedish Dictionary
Description: Free Swedish-English/ English-Swedish online dictionary.

United Nations Bibliographic Information System THESAURUS
Description: An authoritative taxonomy used by major United Nations libraries for subject analysis.
Description: Multilingual dictionary. Translates from English to French, German, Italian, Portuguese, French and vice versa.

Subject Areas Dictionaries/Glossaries Online

BioTech Life Science Dictionary
Description: Most of the 8300+ terms deal with biochemistry, biotechnology, botany, cell biology and genetics.

Dictionary of Drugs
Description: Contains over 40,000 drugs and pharmacological agents. Includes chemical data, structure diagrams and bibliographic information.

Glossary of Epidemiology Terms
Description: Courtesy of CDC’s National Center for Chronic Disease Prevention and Health Promotion.

Description: A dictionary of over 70,000 medical, pharmaceutical, biomedical & healthcare acronyms and abbreviations.

Description: Lets you cross-search more than 31 medical texts including Stedman’s Medical Dictionary and popular texts from McGraw Hill, Mosby, Lippincott, Williams & Wilkins and the MEDLINE database.

Acronyms and Quotations Dictionaries Online

The Acronym Database
Description: Look up the meanings of over 20,000 acronyms or abbreviations.

Familiar Quotations
Description: Tenth edition of Bartlett’s work contains over 11,000 searchable quotations.

Terminology Collection: Online Dictionaries
Description: Links to dictionaries in many languages, bilingual and multilingual dictionaries, glossaries in various fields, acronyms, and slang.


Britannica Online
Description: It provides access to the full-text articles in 150 magazines. You can also use Encyclopædia Britannica Online to search an Internet directory that includes more than 300,000 links to Web sites selected, rated, and reviewed by Britannica editors.

E-Conflict World Encyclopedia
Description: The E-Conflict World Encyclopedia site profiles the nations of the world. View maps and flags or listen to national anthems. There are over 1,400 pages of written text on the nations.

Encyclopedia Britannica
Description: Features complete Encyclopaedia Britannica, more than 125,000 reviewed Web sites with links, articles from over 70 magazines, a search engine for the Merriam Webster Collegiate Dictionary, and daily news.

Information Please Almanac
Description: Factual tidbits of information for nearly every subject.

International Encyclopedia of the Social & Behavioral Sciences
Description: Online version of the 26 volume International Encyclopedia of the Social & Behavioral Sciences (2001).

Library Spot-Encyclopedias
Description: Provides access to popular encyclopedias:, Columbia Encyclopedia, Encarta Online( Abridged version),, How Stuff Works, Information Please, and xrefer.

World Factbook
Description: Historical, political, geographical, economic, technological and military information about most countries of the world.


Directories of Organizations/Resources related to Demography

APLIC-I Directory of Population Research Librarians & Information Centers
Description: List of APLIC-I member organizations, libraries, and online catalogs (OPACs)

Association of Population Centers Member Directory
Description: Text listing and graphic map of Association of Population Center members.

Associations Unlimited
Description: Provides information on nonprofit membership associations and professional societies worldwide (20,000 international, 134,000 U.S. national, regional, state and local).

CCPR Directory of Notable Demography Centers
Description: Online directory of demography centers around the world.

Directory of Healthfinder® Organizations
Description: Health information Web sites from government agencies, clearinghouses, nonprofits, and universities

Education Resource Organizations Directory (EROD)
Description: The Directory helps to identify and contact organizations that provide information and assistance on a broad range of education-related topics.

Description: Directory of Federal Agencies with Statistical Programs

Global Childnet Databases
Description: Search a database of organizations working on issues related to the well-being of children.

International Adolescent Sexual and Reproductive Health Program Directory
Description: Includes contact information for nearly 500 adolescent sexual and reproductive health programs in 80 developing countries. It also presents information on each program’s principal goals and strategies.

Description: Resource for population information. Search a comprehensive directory produced by Population Reference Bureau of population-related websites available by organization, by region and country, or by topic within countries.

NIH Institutes, Centers, and Offices
Description: List of NIH institutes, centers and offices.

Everyday Life Directories

Description: US White Pages and Yellow Pages.

Telephone Directories on the Web
Description: Online phone books around the world with over 400 links to Yellow Pages, White Pages, Business Directories, Email Addresses and Fax Listings from over 170 countries.

UCLA Campus Online Directory
Description: Online directory to find people and departments at UCLA.

Zip Code Look-up
Description: Zip Code Look-Up from the US Postal Service.

Local Times Around the World
Description: This guide attempts to list all of the world’s countries, and many of its islands, with a pointer to the local time in the region.


Guide to Available Mathematical Software
Description: A cross-index and virtual repository of Mathematical and Statistical Software Components of use in Computational Science and Engineering.

Health, Nutrition, and Population Pathfinder
Description: Leads the way to select databases, electronic resources, books and articles and other key library resources relating to the Health, Nutrition and Population.

Description: Healthfinder is a free guide to reliable consumer health and human services information, developed by . . .

Statistical Resources on the Web
Description: A comprehensive pathfinder to statistical resources, created and maintained by the University of Michigan

Statistical reference shelf online
Description: Published collections of statistics available online,  including the Statistical Abstract of the United States.

Topic links to statistics – A to Z
Description: Direct access to statistical data on topics of your choice.

Writing Aids

The American Heritage Book of English Usage
Description: Chapters include grammar, style, diction, word formation, gender, social groups and scientific forms.

Citation Guides

Biomedical Journal Title Search
Description: Search for biomedical journals by title or abbreviation.

Description: University policy and updated copyright information and news.

ISI Journal Abbreviations Index
Description: Search for journals by title or abbreviation.

Maps & Geographic Information

Columbia Gazetteer of the World Online
Description: Developed by the University of Texas. Political maps covering the entire world, with extensive coverage of Latin America.

Electronic Map Collection
Description: Developed by the University of Texas. Political maps covering the entire world, with extensive coverage of Latin America.

National Geographic Maps
Description: Political, physical, country maps, and more.

UN Information Maps
Description: Maps of general interest and of the latest deployments of UN peacekeeping operations.