Library of Congress
The Library of Congress’ mission is to make its resources available and useful to the Congress and the American people and to sustain and preserve a universal collection of knowledge and creativity for future generations.
The Library serves as the research arm of Congress and is recognized as the national library of the United States. Its collections comprise the world’s most comprehensive record of human creativity and knowledge.
Open to those above high school age without charge or special permission, it is the world’s largest library and a great resource to scholars and researchers.