Classification
330 - Economics
3
005 - Computer programming, programs & data
2
150 - Psychology
1
300 - Social sciences
1
302 - Social interaction
1
320 - Political science
1
362 - Social welfare problems & services
1
381 - Commerce
1
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
1
600 - Technology
1
629 - Other branches of engineering
1
658 - General management
1
670 - Manufacturing
1