Reference Sources



  • Infoplease Atlas – Click on an area of the map that you would like to see. There are also links to country profiles, flags, statistics, and more.
  • World Atlas – World Atlas is an educational resource for world maps, atlases, and in-depth geography information.



  • – provides more than 17,000 short articles from the concise Columbia Electronic encyclopedia.
  • Internet Encyclopedia – encyclopedia composed of information available on the Internet.
  • Encyclobeamia – Encyclopedia in Engineering.
  • Encyclodedia Smithsonian – The topics to search are listed alphabetically. Click on the topic to find information.
  • – Free online encyclopedia and reference. Quickly research famous people, places, topics, and events from trusted sources.
  • DiracDelta – Small consultancy formed from a group of people with very different skills in engineering, physics and software engineering
  • New World Encyclopedia (NWE) – designed to provide the context and values of our social and organizational relationships, and our relationship with nature and the environment.


  • – enables to explore countries through detailed satellite imagery — fast and easy as never before.
  • GeoNames – Integrating geographical data such as names of places in various languages, elevation, population and others from various sources.


  • WIPO PATENTSCOPE – Search 14,029,413 patent documents including 2,132,227 published international patent applications (PCT).
  • IPOPhil PhilPAT - Search Titles, Application/Patent Numbers, Abstracts and Representative Drawings, if any, of IP Philippines granted and published pending patent documents.
  • USPTO - Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current US Classification.
  • Espacenet - Offers free access to more than 70 million patent documents worldwide, containing information about inventions and technical developments from 1836 to today.
  • KIPRIS - Korea Intellectual Property Rights Information Services
  • DEPATISnet - German patent information system (DEPATIS) provided by the German Patent and Trade Mark Office (DPMA)
  • FPO - Free Patents Online
  • Google Patent –Search more than seven million U.S. patents.
  • PATENT LENS - Free Full-text Worldwide Patent Searching
  • South African Patent Search - delivering free search of the Patent Database to the public.
  • PATEXIA RESEARCH - Search for patents and analyze intellectual property trends with Patexia's research and visualization tools.


  • – Contains a large collections of quotations divided by topic and author as well as the text of historical documents.
  • Brainyquote – Offers a database of quotations by famous authors and celebrities.
  • GoodReads – Help people find and share books they love

Other References

  • Mathway - shows the step-by-step process on how to solve a Math problem may it be: Basic Math, Algebra, Calculus, Geometry, Trigonometry, etc.
  • Google Scholar - index of all the scholar articles online
  • Nolo – one of the most self help legal guides. Provides legal documents for every aspect of your life; law references, government regulations and court cases. Nolo’s mission is to make the legal system work for everyone, not just lawyers.
  • Librarian’s Index to the Internet – Closed permanently. Can use the website but it will no longer be updated.
  • Librarian’s Index to the Internet – A subject directory of more than 8,200 Internet sources selected and evaluated by librarians for their usefulness to users of public libraries.
  • TILT - Internet tutorial – TILT stands for “Texas Information Literacy Tutorial”. A useful Internet tutorial from the University of Texas, for faculty and students and others interested in evaluating the quality of information found on the web.
  • O Net Online – This site offers several approaches to identifying a suitable occupation.
  • Online newspapers in the Philippines – Philippines newspapers for information on local issues, politics, events, celebrations, people and business.
  • Internet Public Library – it is hosted by the School of Information at the University of Michigan. It’s a grand experiment in using the Internet to provide reference service. You’ll find organized reference works here, you can even ask for reference help.
  • Project Gutenberg – The Goal of Project Gutenberg Philosophy is to make information, books and other materials available to the general public in forms a vast majority of the computers, programs and people can easily read, use, quote and search.
  • How Stuff Works – this is a terrific informative site with very many things in life explained. For Speech class students, it can be a gold mine of informative speeches. A truly rich lode of information.
  • Kluwer Online – The Kluwer online gateway reaches millions of researchers, scientists and professionals in more than 50 countries with journals and eReference works.
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