The General Accounting Office - The US General Accounting Office is an agency that works for Congress and American citizens to watch over the programs and expenditures of the federal government. Independent and nonpartisan, it studies how the federal government spends taxpayer dollars.
The Library of Congress - The Library of Congress, founded in 1800, is the largest library in the world. It's mission is to make its resources available and useful to Congress and the American people and to sustain and preserve a universal collection of knowledge and creativity for future generations.