Classification
330 - Economics
658 - General management
87
338 - Production
65
304 - Factors affecting social behavior
39
331 - Labor economics
25
500 - Natural sciences & mathematics
22
302 - Social interaction
18
300 - Social sciences
16
332 - Financial economics
14
381 - Commerce
14
650 - Management & auxiliary services
12
670 - Manufacturing
12
153 - Mental processes & intelligence
10
170 - Ethics
10
158 - Applied psychology
7
620 - Engineering & allied operations
7
001 - Knowledge
5
303 - Social processes
4
363 - Other social problems & services
3
333 - Economics of land & energy
2
339 - Macroeconomics & related topics
2
384 - Communications; telecommunication
2
000 - Computer science, information & general works
1
006 - Special computer methods
1
150 - Psychology
1
155 - Differential & developmental psychology
1
174 - Occupational ethics
1
324 - The political process
1
355 - Military science
1
382 - International commerce
1
610 - Medicine & health
1
617 - Surgery & related medical specialties
1
720 - Architecture
1
745 - Decorative arts
1
952 - Japan
1