What has the author Gerhard Hirschfeld written?

Fritz Hippler has written:

'Einspruch, Euer Ehren' -- subject(s): Correspondence, Fritz Hippler, Hippler, Fritz, Motion picture producers and directors

'Die Verstrickung' -- subject(s): German Personal narratives, German Propaganda, History, Motion pictures and the war, Personal narratives, German, Politics and Government, Propaganda, Propaganda, German, World War, 1939-1945

'Korrekturen' -- subject(s): German Personal narratives, German Propaganda, History, Motion pictures and the war, Personal narratives, German, Propaganda, Propaganda, German, World War, 1939-1945

'Staat und Gesellschaft bei Mill, Marx, Lagarde'