LB2300 Higher Education 292 HD28-70 Management. Industrial Management 98 TH1-9745 Building construction 68 R Medicine 67 QC1-999 Physics 53 RA0421 Public health. Hygiene. Preventive Medicine 45 QD1-999 Chemistry 36 P1-1091 Philology. Linguistics(General) 31 RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry 28 RK1-715 Dentistry 23 R Medicine (General) 22 TA1-2040 Engineering (General). Civil engineering (General) 22 RS1-441 Pharmacy and materia medica 19 T Technology 18 TX341-641 Nutrition. Foods and food supply 17 Z Bibliography. Library Science. Information Resources 17 QH1 Natural history (General - Including nature conservation, geographical distribution) 16 R5-130.5 General works 16 TP368-456 Food processing and manufacture 15 RC Internal medicine 14 L Education (General) 13 RA Public aspects of medicine 13 RE Ophthalmology 11 RM Therapeutics. Pharmacology 11 LC5800-5808 Distance education 10 TJ1-1570 Mechanical engineering and machinery 10 HC79 Special topics-Including air pollution, automation,consumer demand, famines, flow of funds,etc 9 RG Gynecology and obstetrics 9 R5-920 Medicine (General) 8 R735-854 Medical education. Medical schools. Research 8