What has the author Herbert Schwarzer written?

Gerhard Schacher has written:

'He wanted to sleep in the Kremlin' -- subject(s): World War, 1939-1945

'Germany pushes south-east' -- subject(s): Accessible book, Eastern question (Balkan), Foreign relations, Nationalsozialistische Deutsche Arbeiter-Partei, Pangermanism, Politics and Government

'Germany pushes west' -- subject(s): Politics and government, Pangermanism, National socialism, Foreign relations, Democracy