The Zbigniew Raszewski Theatre Institute deals with documentation, promotion and animation of Polish theatrical life. It supports educational projects, research, and acts as publisher. The Institute manages the largest archive of theatre related documents in Poland, maintains a library, houses a specialist bookshop PROSPERO, and runs a theatre studio where presentations are open to the public. The Institute manages a portal devoted to Polish theatre (e-teatr.pl), and the site “Encyclopedia of the Polish theatre” (encyklopediateatru.pl).