Neutralizing evil? Vatican prescriptions for Germany (1917-1929) -- Perfidious Jews? The battle in the Vatican over anti-Semitism (1928) -- The pact with the Devil? The Reichskonkordat (1930-1933) -- Molto delicato? The Roman Curia and the persecution of the Jews (1933-1939) -- Dogma or diplomacy? The Catholic worldview and Nazi ideology (1933-1939).