Data Disclosure

• Candid (nonprofit disclosure)
• Open Secrets Lobbying Database
• Pro Publica Database
• Revolving Door Project
• Lobby Disclosure (Senate)
• Lobby Disclosure (House)
• Lobby Disclosure (California)
• FARA Reports
  
• Capital Research Center
• Sourcewatch
• LobbyView
• Think Tank Search
• Global Think Tank Directory

Campaign Finance

• Federal Election Commission
• Open Secrets
• CRP Anomaly Tracker
• Party Time (fundraising events)
  
• Institute for Free Speech
• Political Moneyline
• IRS information on political organizations
• California campaign finance data
• Database on Ideology, Money in Politics, and Elections (DIME)
• FCC Public Inspection File

Background Info

• Philanthropy Roundtable
• Independent Sector
• AmeriCorps
• State definitions (NCSL)