L Education (General) 542 H Social Sciences (General) 339 HD28 Management. Industrial Management 60 LB Theory and practice of education 36 TA Engineering (General). Civil engineering (General) 27 T Technology (General) 15 LB1603 Secondary Education. High schools 11 BP Islam. Bahaism. Theosophy, etc 10 QA75 Electronic computers. Computer science 10 HD Industries. Land use. Labor 9 H Social Sciences 8 LB2300 Higher Education 8 Q Science (General) 7 QA Mathematics 6 TH Building construction 6 G70.212-70.215 Geographic information system 5 HA Statistics 5 HD30.2 Knowledge management 5 HF5549.5.M63 Employee motivation 5 LB1501 Primary Education 5 LC Special aspects of education 5 BF Psychology 4 HD1394-1394.5 Real estate management 4 TJ Mechanical engineering and machinery 4 ZA4050 Electronic information resources 4 BL Religion 3 G Geography (General) 3 HF Commerce 3 HG Finance 3 HT Communities. Classes. Races 3