Documents, photographs, witness statements, films and all sources systematically collected by Porta Polonica are digitized and recorded in a database.
![Dziennik Berliński [Berlin Journal] - radio play in German - In co-operation with ‘COSMO Radio po polsku’ we present radio plays on selected topics of our portal.](/themes/porta_polonica/assets/images/audio.jpg "Dziennik Berliński [Berlin Journal] - radio play in German")
