Title: Relation aus dem polnischen Lager vom 20. Mai 1656 unter Koscian den Verlauf zwischenden polnischen und schwedischen Völkern betreffend

The “Digital Library of Polish and Poland-Related News Pamphlets” project is being implemented at the Faculty of Journalism and Political Science at University of Warsaw and is co-financed by the Ministry of Culture and National Heritage and the Foundation for the Development of Journalism Education.