History 23 World War, 1939-1945 15 Foreign relations 11 Campaigns 5 Regimental histories 5 Diplomatic history 4 Participation, German 4 more ... Civilization 3 Criticism and interpretation 3 Fascism 3 Foreign economic relations 3 Politics and government 3 Architects 2 Architektur 2 Art, German 2 Art, Spanish 2 Artists 2 Buildings 2 Buildings, structures, etc 2 Community law 2 Congresses 2 Economic policy 2 Fascism and theater 2 Historiography 2 History and criticism 2 History, Military 2 Military campaigns 2 National socialism and theater 2 Neutrality 2 Participation, Spanish 2 less ...