Classification
330 - Economics
42
658 - General management
18
300 - Social sciences
11
338 - Production
10
500 - Natural sciences & mathematics
10
302 - Social interaction
9
670 - Manufacturing
8
381 - Commerce
6
000 - Computer science, information & general works
5
331 - Labor economics
5
332 - Financial economics
4
153 - Mental processes & intelligence
2
303 - Social processes
2
380 - Commerce, communications & transportation
2
384 - Communications; telecommunication
2
610 - Medicine & health
2
616 - Diseases
2
650 - Management & auxiliary services
2
261 - Social theology
1
321 - Systems of governments & states
1
336 - Public finance
1
341 - Law of nations
1
362 - Social welfare problems & services
1
364 - Criminology
1
599 - Mammals
1
620 - Engineering & allied operations
1
657 - Accounting
1