Folger Shakespeare Library"The Folger Shakespeare Library has the world's largest collection of materials relating to Shakespeare and his works, from the 16th century to the present day, as well as a world-renowned collection of books, manuscripts, and prints from Renaissance Europe....
The Folger collection is vast and varied, including: about 260,000 printed books; 60,000 manuscripts; 90,000 prints, drawings, photographs, paintings, and other works of art; and a wealth of performance history, from a quarter of a million playbills to films, recordings, and stage costumes."