The National Mail Voter Registration Form is the one document that allows you to register to vote from anywhere in the United States.
» Download the form
» Guide to US Elections and Voting website

Maryland Voter Registration
http://www.elections.state.md.us/citizens/registration/application.html
Download the form to register to vote in Maryland.

Your Vote Matters
https://www.workingforchange.com/vote/

League of Women Voters
Frequently asked questions about voting.
http://www.lwv.org/voter/faq.cfm?cid=3

Congressional Candidate Issues
Congress’s site on candidates and the issues for the upcoming election
http://www.congress.org/congressorg/e4
MD specific info.
http://www.congress.org/congressorg/e4/rlist/?state=md

Vote Smart
http://www.vote-smart.org/
Includes info. on where national and state candidates stand on issues.