History 43 Description and travel 41 Politics and government 35 Politics and government -- 24 Culture -- 22 Economic conditions 17 History -- 17 more ... Social conditions 15 Foreign relations -- 14 Foreign relations 12 Periodicals 12 Social life and customs 9 Tourism -- 8 Foreign policy 7 Vietnam war -- 7 Fiction 6 Guidebook 6 Guidebooks 6 Biography 5 Biography -- 5 Culture 5 Travelling -- 5 Economic development 4 Relations -- 4 Speeches, addresses, etc 4 Tours 4 Art -- 3 Boundaries 3 Civilization 3 Civilization -- 3 less ...