Research at the Staats- und Universitätsbibliothek Hamburg and the Zentral- und Landesbibliothek Berlin, aimed at gathering information about the pre-war city of Marienburg (Malbork) and its residents, which will be incorporated into the concept of the first permanent exhibition at the Museum of the City of Malbork and the organisation of museum lessons. An attempt to establish contacts with still-living former residents of our…