Search for: [Subject and Keywords = Poznań \(Polska \; region\)] OR [Subject and Keywords = czasopisma niemieckie 20 w.] OR [Subject and Keywords = dzienniki niemieckie] OR [Title = In Freier Stunde \: Unterhaltungsbeilage zum „Posener Tageblatt”. Jg.3, Nr. 135 \(15 Juni 1929\)]