Houghton Library is the primary repository for Harvard’s rare books and manuscripts. The collections of the Houghton Library focus on the study of Western civilization. Materials relating to American, Continental, and English history and literature comprise the bulk of these collections and include special concentrations in printing, graphic arts, and the theatre. The collections encompass wonderfully diverse holdings such as ostraca, daguerreotypes, and the working papers of living novelists and poets. Houghton Library regularly exhibits highlights from its collections in the Edison and Newman Room. These often include the personal effects, notes, books, and other objects of interest from authors such as Copernicus, Emily Dickinson, John Keats, Edward Lear, Dante, Tennessee Williams, Goethe, Cervantes, and Lewis Carroll.