Tip sheet from James Grimaldi, a reporter for The Wall Street Journal, on resources for investigating Congress

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

The Center for Responsive Politics and the Campaign Finance Institute, both excellent sources for documenting 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