18 See Paul Kluke, 'Der Fall Potempa', VJHfZ, 1957, No. 3. Papen himself had incidentally also seen the difference between conservatism and National Socialism as a matter of tactics. 'It is no accident,' he declared on 17th March 1933 in a speech in Breslau, 'that not only the sensibilities and aims of National Socialism headed in the same direction, but that these conservative trains of thought also played a decisive part in National Socialist circles. The difference between the conservative revolutionary and the Nationalist Socialist movement was clearly one of tactics' (Appell).