Tips from David Lightman, a reporter and editor for the McClatchy Washington Bureau, on covering Congress from afar

Tips from James Grimaldi, a reporter for The Wall Street Journal, on investigating Congress

The Center for Responsive Politics and the Campaign Finance Institute, both of which document congressional money

U.S. House of Representatives, quarterly spending reports

U.S. House of Representatives Office of the Clerk, public disclosure reports dealing with member finances, travel and other spending