Dictionaries 198 Malay language 136 Causes 101 Drug abuse 80 English language 79 Mass media 73 History 72 Weapons of mass destruction 56 Islam 54 Thesis 52 English 50 Maps 44 Juvenile literature 41 Prevention 40 World War, 1939-1945 39 Case studies 37 Quotations, maxims, etc 37 Terrorism 34 Malay 33 Foreign relations 32 Politics and government 32 Drugs 31 Fiction 30 Political aspects 29 Armed Forces 28 Dissertations 28 Law and legislation 28 Arabic language 27 World politics 27 United States 24