Here are some general online resources to help you with research.

DC Public Library Online Research Resources: Through DCPL you can gain online access to magazines, newspapers, encyclopedias and databases.  The resources on this page are organized by subject.

http://www.dclibrary.org/dcpl/cwp/view.asp?a=1264&q=563531&dcplNav=|

DC Public Library: Estudios Latinos y Recursos en Español: incluyendo enciclopedias, revistas, mapas y documentos en el internet/Latino Studies and Spanish Language Resources

http://www.dclibrary.org/dcpl/cwp/view.asp?a=1264&q=563461

Find Articles.com: Contains articles from magazines on business, art, technology, sports and more.

http://findarticles.com/

Information Please/Time Almanac: Find quick facts about states, statistics, people, entertainment etc.  (Watch out there a lot of pop-up ads on this site!)

http://www.infoplease.com/almanacs.html

Ref-desk: Refdesk is a directory of family-friendly web sites useful for research.

http://www.refdesk.com/