Discovery and exploration 461 Discoveries in geography 460 History 403 Foreign relations 377 Politics and government 342 Indigenous peoples 195 Spanish 195 Diplomatic relations 144 Indians 130 Foreign economic relations 117 Democracy 111 Antiquities 108 Drug control 102 Human rights 82 International cooperation 79 Economic assistance, American 75 Economic conditions 72 Drug traffic 71 Colonies 65 Travel 65 Description and travel 59 Relations 58 Government policy 57 Indians of North America 52 Free trade 50 International economic relations 48 Explorers 45 History and criticism 41 British 40 Spanish colonies 40