What is the theory of the forms of government and the 'political party' in the German political thougth since the second half of XIX century to the beginning of XX century about? Concerning the political thought of the leaders of the German catholic Zentrum Wilhelm Emanuel von Ketteler and Matthias Erzberger, and the leaders of the socialist working movement Karl Kautsky and Eduard Bernstein.
The theories of the forms of governement, ruling class and the political party formulated by two leading representatives of the German catholic Zentrum: Wilhelm Emanuel von Ketteler and Matthias Erzberger, and by the 'orthodox' ideologist of German Socialdemocratic Party Karl Kautsky, and the 'father of revisionism' Eduard Bernstein. Their theories about contemporary parliamentarianism.
Sergio AMATO, Il problema "partito" negli scrittori politici tedeschi (1851-1914), Firenze, Centro Editoriale Toscano, 1993, pp. 269-419.
Oral examination: 3 questions about the program