“’Das Gebiet unserer Sendegemeinschaft ist Niederdeutschland’ – Der Rundfunk und seine niederdeutsche Programmarbeit in den 1920er und 1930er Jahren” [‘The Area of Our Broadcasting Community is Lower Germany’ – Broadcasting and Its Lower German Programme in the 1920s and 1930s], lecture by H.-U. Wagner at the 123rd annual conference for Lower German linguistics in Hamburg on 25 May 2010.