延伸阅读

Background and collected newsat The Washington Post

Biographyat the Biographical Directory of the United States Congress

Voting recordmaintained by The Washington Post

智慧专案表决 （ 英语 ： Project Vote Smart ） 中的传记、投票纪录及利益集团评级

Congressional profileat GovTrack

Congressional profileat OpenCongress

Issue positions and quotesat On the Issues

Financial informationat OpenSecrets.org

Staff salaries, trips and personal financeat LegiStorm.com

Campaign finance reports and dataat the Federal Election Commission

AppearancesonC-SPANprograms

Appearancesat the Internet Movie Database

Collected news and commentaryat The New York Times

Profileat Ballotpedia

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