Classification
670 - Manufacturing
658 - General management
219
330 - Economics
191
300 - Social sciences
155
500 - Natural sciences & mathematics
153
302 - Social interaction
152
338 - Production
49
331 - Labor economics
33
381 - Commerce
32
650 - Management & auxiliary services
15
000 - Computer science, information & general works
13
158 - Applied psychology
13
153 - Mental processes & intelligence
9
620 - Engineering & allied operations
9
384 - Communications; telecommunication
8
001 - Knowledge
7
304 - Factors affecting social behavior
7
332 - Financial economics
7
368 - Insurance
6
303 - Social processes
5
745 - Decorative arts
5
380 - Commerce, communications & transportation
3
006 - Special computer methods
2
170 - Ethics
2
003 - Systems
1
004 - Data processing & computer science
1
337 - International economics
1
590 - Animals (Zoology)
1
600 - Technology
1
629 - Other branches of engineering
1
659 - Advertising & public relations
1