History 121 Politics and government 22 Holocaust, Jewish (1939-1945) 17 Jews 17 World War, 1939-1945 15 National socialism 13 Sources 13 Social conditions 11 Persecutions 9 Women 7 Addresses, essays, lectures 6 Approximation theory 5 Architecture 5 Civilization 5 Differential equations, Partial 5 Ethnic relations 5 Exhibitions 5 German literature 5 Germans 5 Social life and customs 5 Buildings, structures, etc 4 Categories (Mathematics) 4 Concentration camps 4 Databases 4 Economic conditions 4 Functions of complex variables 4 Geometry, Algebraic 4 Geometry, Differential 4 German language 4 Group theory 4