History 176 Politics and government 95 Social conditions 61 Aboriginal Australians 48 World War, 1939-1945 33 Social life and customs 31 History and criticism 28 Foreign relations 23 Discovery and exploration 20 Social aspects 19 Economic conditions 18 Politicians 16 Prime ministers 16 Women 15 Authors, Australian 14 Government policy 14 In literature 14 Criticism and interpretation 13 Participation, Australian 13 Australian literature 12 Political campaigns 12 World War, 1914-1918 12 Elections 11 Explorers 11 Economic policy 10 Government relations 10 Political leadership 10 Travel 10 Immigrants 9 Officials and employees 9