Politics and government -- 19 Foreign relations -- 14 History -- 12 Politics and government 8 Political atrocities -- 7 Biography -- 5 Economic conditions 5 more ... Cambodian-Vietnamese conflict, 1977- 3 Economic policy 3 Elections -- 3 Prime ministers -- 3 Campaigns -- 2 Communism -- 2 Democracy -- 2 Economic forecasting -- 2 Foreign relations 2 Mines (Military explosives) -- 2 Political refugees -- 2 United Nations -- 2 United Nations. Transitional Authority in Cambodia 2 Vietnamese Conflict, 1961-1975 -- 2 Addresses -- 1 Addresses, essays, lectures -- 1 Agriculture -- 1 Atrocities -- 1 Cambodia -- 1 Civilization 1 Diplomacy 1 Diplomats -- 1 Economic assistance -- 1 less ...