History 305 Colonies 74 Economic conditions 61 Politics and government 61 Description and travel 59 Relations 53 History and criticism 51 more ... Foreign relations 44 Civilization 43 Study and teaching 40 Commerce 39 International relations 39 Diplomatic relations 35 Economic history 35 Economic policy 34 Women 33 Social conditions 31 Antiquities 30 Education 30 Social aspects 30 British colonies 27 Travel 24 In literature 22 Literature 21 Religion 21 Economic aspects 17 Social life and customs 17 Voyages and travels 17 Emigration and immigration 16 World War, 1939-1945 16 less ...