Documents, photographs, witness statements, films and all sources systematically collected by Porta Polonica are digitized and recorded in a database.
“Narodowiec” publishing house and print shop in Bahnhofstraße in Herne
“Narodowiec” publishing house and print shop in Bahnhofstraße in Herne, from “Narodowiec”, anniversary edition 1959, see PDF Narodowiec 1972-1959, p. 91