History -- 77 Politics and government -- 72 Foreign relations -- 55 Politics and government 45 History 40 Fiction 25 Biography -- 19 more ... Islam -- 19 Foreign relations 17 Islam 16 Economic conditions -- 15 Description and travel 13 Economic policy 13 Early works to 1800 11 Biography 10 Economic conditions 10 Economic policy -- 10 Foreign economic relations -- 10 Social life and customs 10 Civilization 9 Relations -- 9 Heads of state -- 8 Religious aspects -- 8 Social conditions 8 Social conditions -- 8 World politics -- 8 Koran -- 7 Political science -- 7 Psychological aspects 7 Colonies -- 6 less ...