The Rare Book & Manuscript Library (RBML) is Columbia’s principal repository for primary source collections. The range of collections in RBML span more than 4,000 years and comprise rare printed works, cylinder seals, cuneiform tablets, papyri, and Coptic ostraca; medieval and renaissance manuscripts; as well as art and realia. Some 500,000 printed books and 14 miles of manuscripts, personal papers, and records form the core of the RBML holdings. One can find literary manuscripts from the 14th century to the papers of authors Herman Wouk and Erica Jong. Archives as varied as the Carnegie Endowment for International Peace, Random House, NGOs such as Human Rights Watch and Amnesty International-USA, and the archives of Columbia University are available for research. The history of printing, graphic arts, and the performing arts are strengths of RBML.