HD28 Management. Industrial Management 9 TA Engineering (General). Civil engineering (General) 7 TJ Mechanical engineering and machinery 4 H Social Sciences (General) 3 HD Industries. Land use. Labor 2 QA75 Electronic computers. Computer science 2 GV Recreation Leisure 1 HD61 Risk Management 1 HF5549.5.M63 Employee motivation 1 HT101-395 Sociology, Urban 1 L Education (General) 1 LB1603 Secondary Education. High schools 1 NA Architecture 1 Q Science (General) 1 QA76 Computer software 1 QE Geology 1 TH Building construction 1 TK Electrical engineering. Electronics Nuclear engineering 1 TS Manufactures 1