Classification
153 - Mental processes & intelligence
658 - General management
20
330 - Economics
14
670 - Manufacturing
8
300 - Social sciences
5
005 - Computer programming, programs & data
4
302 - Social interaction
4
331 - Labor economics
4
500 - Natural sciences & mathematics
4
000 - Computer science, information & general works
3
338 - Production
3
001 - Knowledge
2
006 - Special computer methods
2
303 - Social processes
2
381 - Commerce
2
519 - Probabilities & applied mathematics
2
620 - Engineering & allied operations
2
368 - Insurance
1
370 - Education
1
510 - Mathematics
1
600 - Technology
1
650 - Management & auxiliary services
1
700 - The arts; fine & decorative arts
1