Government

United States Code
http://uscode.house.gov/search/criteria.php
United States Code from LLI
http://straylight.law.cornell.edu/uscode/
Maryland Code
http://government.westlaw.com/mdcode/
District of Columbia Code
http://dccode.westgroup.com/home/dccodes/default.wl

Constitution of the United States of America
http://www.gpoaccess.gov/constitution/html/conart.html
U.S. Supreme Court
http://www.supremecourtus.gov/
United States Court of Appeals for the Federal Circuit
http://www.fedcir.gov/
U.S. Courts
http://www.uscourts.gov/

The White House
http://www.whitehouse.gov/
U.S. Department of Justice
http://www.usdoj.gov/
U.S. Patent and Trademarks
http://www.uspto.gov
U.S. Copyright Office
http://www.copyright.gov/
Office of the Federal Register
http://www.gpoaccess.gov/fr/
FirstGov
http://www.firstgov.gov/

U.S. Court of Appeals for the District of Columbia Circuit
http://www.cadc.uscourts.gov/internet/internet.nsf/Content/Home+Page
US DC District Court
http://www.dcd.uscourts.gov/
District of Columbia Court of Appeals
http://www.dcappeals.gov/
Superior Court District of Columbia
http://www.dcd.uscourts.gov/
DC Bar Association
http://www.badc.org/
DC Bar
http://www.dcbar.org/

Maryland Constitution
http://archivesofmaryland.net/html/conventions.html
Maryland Court of Appeals
http://www.courts.state.md.us/coappeals/index.html
Maryland Special Appeals
http://www.courts.state.md.us/cosalist.html
Maryland Circuit Courts
http://www.courts.state.md.us/circuit/circuit.html
Maryland District Courts
http://www.courts.state.md.us/district/index.html
Maryland Bar Association
http://www.msba.org/

U.S. Law Library of Congress Guide to Law Online
http://www.loc.gov/law/guide/
Federal Deposit Libraries
http://www.gpoaccess.gov/libraries.html
United States Attorneys' Manual
http://www.usdoj.gov/usao/eousa/foia_reading_room/usam/
Freedom of Information Act Program
http://www.doi.gov/foia/
CIA The World Factbook United States
http://www.odci.gov/cia/publications/factbook/geos/us.html

Academic

Penn Law Biddle Law Library
http://www.law.upenn.edu/bll/index.html

Georgetown University Law Center
http://www.law.georgetown.edu/
Edward Bennett Williams Law Library
http://www.ll.georgetown.edu/about/about_ebw.cfm
John Wolff International and Comparative Law Library
http://www.ll.georgetown.edu/about/about_wolff.cfm

Commercial

Law.com Dictionary
http://dictionary.law.com/

Internet Law Library
http://www.lawguru.com/ilawlib/

Legal Times of Washington
http://www.law.com/jsp/dc/specials.jsp?p=contact