The special funds' highlights include Verhaeren, Baillon, Henry van de Velde, and the avant-garde. The international library of literature has some 75,000 books and a long line of special funds, featuring one dedicated to central Africa. The archives focus on French-speaking Belgian dramatists and drama. The drama section has a library of published and typed plays featuring works by Maeterlinck, de Ghelderode, Crommelynck and Closson. The audiovisual part features sound recordings and archives of literary and theatrical activities in French-speaking Belgium, as well as a sound, picture and video library, where one can search portraits of writers, and programs realised through a writer or artistic movement.