Virtual Reference Service

Research Unit

The Research Unit provides in this webpage a series of hyperlinks to electronic resources available on the Internet. Sorted into major themes. We have tried to cover most common issues that arise in our unit.

Warning: The Embassy is not responsible for the content of hyperlinks to servers that do not belong to the United States government.

  • CNN’s news media, continually updated.
  • C-Span, provides links to ElectionLine, public domain resource on the Internet, and sound files of the sessions of the Senate and House of Representatives.
  • The Weather Channel, with weather forecasts.

Please visit:

  • Nist Online Reference Databases by the National Institute of Standards and Technology, includes information such as the Chemistry WebBook, the Physical Reference Database produced by the NIST Physics Laboratory, the High Temperature Superconductors Database and Electron Interactions with Plasma Processing Gases.
  • Internet Movie Database, describes filmographies, credits of movies, and a search engine for actors, characters, etc.
  • U.S. Patent Office provides patent databases.
  • IBM Patent Server includes images of new patents.

You can find the official U.S. government publications in the Government Printing Office, Federal Bureau of publications.

If you want to get maps, you should go to the United States Geological Survey.

The federal legislation is compiled in the United States Code. The bills can be seen daily in the service of the Library of Congress called Thomas.

Finally, the regulations that develop the legislation are available in the Federal Register  which, in turn, is encoded in the Code of Federal Regulations.

NOTE: The links to WWW servers that do not belong to the government of the United States of America are not an endorsement of its content.