Classification
658 - General management
330 - Economics
174
338 - Production
105
300 - Social sciences
54
302 - Social interaction
46
500 - Natural sciences & mathematics
44
670 - Manufacturing
36
650 - Management & auxiliary services
34
331 - Labor economics
18
153 - Mental processes & intelligence
17
158 - Applied psychology
17
381 - Commerce
16
000 - Computer science, information & general works
9
001 - Knowledge
8
005 - Computer programming, programs & data
8
332 - Financial economics
8
384 - Communications; telecommunication
8
362 - Social welfare problems & services
6
620 - Engineering & allied operations
6
004 - Data processing & computer science
5
170 - Ethics
5
380 - Commerce, communications & transportation
5
304 - Factors affecting social behavior
4
510 - Mathematics
4
006 - Special computer methods
3
333 - Economics of land & energy
3
378 - Higher education
3
368 - Insurance
2
659 - Advertising & public relations
2
070 - News media, journalism & publishing
1
174 - Occupational ethics
1
305 - Social groups
1
320 - Political science
1
324 - The political process
1
350 - Public administration & military science
1
363 - Other social problems & services
1
370 - Education
1
519 - Probabilities & applied mathematics
1
604 - Special topics
1
610 - Medicine & health
1
657 - Accounting
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
745 - Decorative arts
1