This library describes itself as "the world's largest private holding of important original manuscripts & documents. The archives include Literature, Science, Religion, History and Art. Among the treasures are ... The original manuscript of 'The Wedding March,' Einstein's description of his 'Theory of Relativity,' The 'Thanksgiving Proclamation' signed by George Washington, ... and over one million more." Includes images of selected items, and visitor information for museum locations throughout the U.S.