Washington Post - The US Congress Votes Database: J. Dennis Hastert
- Features complete voting record along with a brief biography, roles in Congress and financial disclosure statement.
- http://projects.washingtonpost.com/congress/members/h000323

SourceWatch Congresspedia - Dennis Hastert
- Encyclopedia article focused on his political career along with background data and links to additional articles and resources.
- http://www.sourcewatch.org/index.php?title=Dennis_Hastert

Project Vote Smart - Representative J. Dennis 'Denny' Hastert (IL-14)
- Provides a biography, committee assignments, campaign finances, voting record, issue positions, interest group ratings, speeches and public statements.
- http://www.vote-smart.org/bio.php?can_id=H1152103

OpenSecrets.org - Dennis Hastert
- Career profile of campaign funds raised and spent.
- http://www.opensecrets.org/politicians/allsummary.asp?CID=N00004781

On the Issues - Illinois Representative Denny Hastert
- Provides quotes and background on various international, domestic, economic and social issues. Includes profile, contact data, forum and HouseMatch.
- http://www.ontheissues.org/IL/Dennis_Hastert.htm

FEC - Candidate Summary Reports: Dennis J. Hastert
- Official campaign finance reports and data from the Federal Election Commission.
- http://herndon1.sdrdc.com/cgi-bin/can_detail/H6IL14095

Biographical Directory of the United States Congress - John Dennis Hastert
- Short biography along with political party, years of service in Congress and bibliography.
- http://bioguide.congress.gov/scripts/biodisplay.pl?index=h000323

Wikipedia - Dennis Hastert
- Hyperlinked encyclopedia entry provides a personal and political profile of the US Representative for Illinois.
- http://en.wikipedia.org/wiki/Dennis_Hastert