TA Engineering (General). Civil engineering (General) 785 TK Electrical engineering. Electronics Nuclear engineering 761 QA75 Electronic computers. Computer science 748 TJ Mechanical engineering and machinery 528 TP Chemical technology 461 HD28 Management. Industrial Management 408 L Education (General) 374 T Technology (General) 263 QA Mathematics 242 TH Building construction 205 LB Theory and practice of education 181 Q Science (General) 160 NA Architecture 133 H Social Sciences (General) 129 QA76 Computer software 121 HD Industries. Land use. Labor 119 QD Chemistry 116 QC Physics 94 HD1394-1394.5 Real estate management 91 BP Islam. Bahaism. Theosophy, etc 84 G70.212-70.215 Geographic information system 65 HF Commerce 62 Unspecified 55 HT101-395 Sociology, Urban 45 TD Environmental technology. Sanitary engineering 41 TH434-437 Quantity surveying 41 QE Geology 39 G Geography (General) 38 HE Transportation and Communications 38 LB2300 Higher Education 38