Classification
330 - Economics
178
658 - General management
69
331 - Labor economics
37
158 - Applied psychology
12
300 - Social sciences
12
500 - Natural sciences & mathematics
11
302 - Social interaction
10
362 - Social welfare problems & services
8
670 - Manufacturing
8
338 - Production
7
650 - Management & auxiliary services
7
320 - Political science
4
374 - Adult education
4
540 - Chemistry & allied sciences
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
001 - Knowledge
1
153 - Mental processes & intelligence
1
303 - Social processes
1
304 - Factors affecting social behavior
1
305 - Social groups
1
333 - Economics of land & energy
1
340 - Law
1
344 - Labor, social, education & cultural law
1
363 - Other social problems & services
1
381 - Commerce
1
384 - Communications; telecommunication
1
660 - Chemical engineering
1
700 - The arts; fine & decorative arts
1