RA0421 Public health. Hygiene. Preventive Medicine 64 LB2300 Higher Education 49 TP368-456 Food processing and manufacture 39 R Medicine 34 TX341-641 Nutrition. Foods and food supply 31 P1-1091 Philology. Linguistics(General) 29 HD28-70 Management. Industrial Management 20 TH1-9745 Building construction 20 J Political Science 19 RC Internal medicine 13 HC79 Special topics-Including air pollution, automation,consumer demand, famines, flow of funds,etc 12 LC5800-5808 Distance education 9 QD1-999 Chemistry 8 R Medicine (General) 8 RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry 7 DS591-599 Malaysia. Malay Peninsula. Straits Settlements 6 RA Public aspects of medicine 6 Z Bibliography. Library Science. Information Resources 6 QC1-999 Physics 5 RK1-715 Dentistry 5 RS1-441 Pharmacy and materia medica 5 H1-99 Social sciences (General) 4 L Education (General) 4 QA1-939 Mathematics 4 RA643-645 Disease (Communicable and noninfectious) and public health 4 HF5001-6182 Business 3 L7-991 Education (General) 3 P87-96 Communication. Mass media 3 QH1 Natural history (General - Including nature conservation, geographical distribution) 3 R735-854 Medical education. Medical schools. Research 3