Mayer-Gwensen Hans. Französische Spionage und Propaganda am Rhein und an der Saar

Berlin: 1923. — 95 p.Former recrute of the "Légion Étrangère", the german "spy" Mayer-Gwensen works for the local French propaganda paper "Echo du Rhin", quits and pretends to reveal mechanisms of french propaganda during the occupation of the Rhinelands after World War I.