American Enterprise Institute
American League of Lobbyists
BIPAC
The Brookings Institution Governance Studies
Campaign Finance Institute
Center for Responsible Politics
The Cook Political Report
Democratic National Committee
Democratic Governors Association
Federal Election Commission
FEC Combined Federal/State Disclosure and Election Directory
Hoover Institution Campaign Finance
Innovate to Motivate
Institute on Money in State Politics
Internal Revenue Service
Library of Congress: Thomas
NABPAC
Political Money Line
Political Wire
Project Vote Smart
Public Affairs Council
Republican Governors Association
Republican National Committee
Roll Call
The Rothenberg Political Report
Stanford Law School: Robert Crown Law Library Campaign Finance Materials
The New Stealth PACS – Tracking 501 (c) Activity
The Hill
Vocus
Vorys, Sater, Seymour & Pease LLP
Wiley, Rein & Fielding LLP Campaign Finance Newsletter
Women in Government Relations