Documents, photographs, witness statements, films and all sources systematically collected by Porta Polonica are digitized and recorded in a database.
Commemorative plaques
Marian Stefanowski, Commemorative plaques for the 183 Polish professors arrested in Kraków on 6 November 1939 and dragged to the concentration camp, 12/08/2018
Genii Serenissimorum Principum Philippi Wilhelmi Comitis Palatini Rheni ... Sponsi Et Annae Catharinae Constantiae Augustissimorum Regum Sigismundi III.