MITRA-MANDAL- PAGE

The goal of Rules of Thumb is to find every rule of thumb, aka unwritten codes for how we do something, and gather them in one gigantic database. As of this writing, there are nearly 5000 different rules of thumb in 155 categories ranging from Advertising to Wine. Basically, if you want to get a feel for a subject, or get a ballpark figure for a complicated process or topic, Rules of Thumb is a good place to start. More »

42. WorldMapper

WorldMapper is a collection of hundreds of world maps, each focusing on a particular topic. For example, you can find maps on land area, disease, religion, income, and more. More »

43. WorldCat

WorldCat allows you to search the largest network of library content and services online, tapping into literally hundreds of different libraries from all over the world.More »

44. Our Documents

At Our Documents, you can explore 100 cornerstone documents of American history, i.e., the Declaration of Independence, the Constitution, the Bill of Rights, and many more. More »

45. The Library of Congress

The Library of Congress is literally the largest library in the world, with millions of books, recordings, photographs, maps and manuscripts in its collections freely available to the public (you might have noticed that the Library of Congress Online Catalog has already been included in this list; the Library of Congress home page is the hub of ALL the content that the Library has to offer). More »

46. Voice of the Shuttle

The Voice of the Shuttle, started in 1994, is one of the largest humanities resources on the Web today. Anything from anthropology to religious studies is covered here. More »

47. Bartlett's Quotations

This is the original (1919) edition with over 11,000 searchable quotations. More »

Alternatives to Wikipedia

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31. Online Conversion

Whether you need to convert simple measurements or complicated astronomy figures, you'll be able to do it at OnlineConversion.com, an extensive site featuring hundreds of conversion tools.More »

32. Lexicool

If you need to translate something, you'll be able to do it with Lexicool. Over 7000 dictionaries and glossaries here in a wide variety of languages. More »

33. Google Maps

Find maps and directions at Google Maps; you can also check out locations in Street, Traffic, and Satellite views. Google Maps also periodically offers special features, such as maps for the Winter Olympics. More »

34. Genetics Home Reference

The Genetic Home Reference, a project of the National Library of Medicine, is a stellar resource for genetic information and information about genetic conditions.More »

35. ePodunk

Get demographic information about nearly any community in the United States at ePodunk, a fascination data collection for over 46,000 different cities, towns, and suburbs in the US. More »

36. Chronicling America

Chronicling America is a project from the Library of Congress; you can "search and view newspaper pages from 1880-1922 and find information about American newspapers published between 1690-present." More »

37. Business and Human Rights Resource Center

Doing research on a company's human rights impact is difficult - unless you visit the Business and Human Rights Resource Center. This resource covers covers over 4000 companies in over 180 countries, and deals with topics such as discrimination, environment, poverty and development, labor, medical health, security, and trade. More »

38. BookFinder

BookFinder is a search engine for new, used, rare, out-of-print, and textbooks. Over 150 million books are available here; if you want to find something somewhat obscure, this is the place. More »

39. BBC News Country Profiles

View full country profiles from all over the world; in addition to basic stats, the BBC also provides audio and video clips from their archives. More »

40. Forvo

Need help on how to pronounce a word - in virtually any language? Try Forvo, the largest pronunciation guide currently online, with hundreds of thousands of words and pronunciations in over 200different languages. More »

Alternatives to Wikipedia

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21. Webopedia

If you need to know about a computer or technology related term, you can find it at Webopedia. More »

22. CIA World Factbook

Anything you want to know about nearly any country or region in the world, you'll be able to find it at the CIA World Factbook. This amazing resource offers you information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 266 different countries, along with maps, flags, and country comparisons. More »