The collection was formed by the Canadian puppeteer Rosalynde Osborne Stearn as a comprehensive library on the puppet theatre with representative examples of puppets characteristic of different periods and countries. It includes some 2714 books and periodicals from the nineteenth and twentieth centuries on the puppet theatre in various European languages as well as scripts for puppet plays. The collection contains 171 puppets from Europe, Asia (including shadow puppets), and the Americas, from the eighteenth to the twentieth centuries. Also included are toy theatres, theatrical portraits, paintings, prints and posters.