History 3 History -- 3 Politics and government 3 Foreign relations -- 2 Petroleum industry and trade -- 2 Austronesian languages -- 1 Bibliography -- 1 more ... Biography -- 1 Code switching (Linguistics) -- 1 Dialects -- 1 Diversification in industry -- 1 Economic conditions 1 English language -- 1 Gas industry -- 1 History. -- 1 Islam -- 1 Lakes -- 1 Languages in contact -- 1 Malay language -- 1 National parks and reserves -- 1 Nationalism -- 1 Newspapers -- 1 Relations -- 1 Social aspects -- 1 Sultans -- 1 Union lists -- 1 Usage -- 1 less ...