Politics and government -- 19 Foreign relations -- 18 History -- 14 Politics and government 8 Political atrocities -- 7 Biography -- 5 Economic conditions 5 more ... Armed Forces -- 4 Campaigns -- 4 Vietnamese Conflict, 1961-1975 -- 4 Cambodian-Vietnamese conflict, 1977- 3 Economic policy 3 Elections -- 3 Prime ministers -- 3 United Nations -- 3 Communism -- 2 Democracy -- 2 Economic forecasting -- 2 Foreign relations 2 History 2 Mines (Military explosives) -- 2 Political aspects -- 2 Political refugees -- 2 United Nations. Transitional Authority in Cambodia 2 Addresses -- 1 Addresses, essays, lectures -- 1 Agriculture -- 1 Armed Forces 1 Armed forces -- 1 Arms control -- 1 less ...