Classification
330 - Economics
175
340 - Law
155
343 - Military, tax, trade & industrial law
102
320 - Political science
100
341 - Law of nations
23
380 - Commerce, communications & transportation
17
900 - History & geography
13
382 - International commerce
6
658 - General management
5
333 - Economics of land & energy
4
344 - Labor, social, education & cultural law
4
337 - International economics
3
576 - Genetics & evolution
3
327 - International relations
2
338 - Production
2
345 - Criminal law
2
346 - Private law
2
347 - Civil procedure & courts
2
363 - Other social problems & services
2
650 - Management & auxiliary services
2
657 - Accounting
2
660 - Chemical engineering
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
174 - Occupational ethics
1
332 - Financial economics
1
336 - Public finance
1
350 - Public administration & military science
1
362 - Social welfare problems & services
1
364 - Criminology
1
381 - Commerce
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
621 - Applied physics
1
636 - Animal husbandry
1
940 - History of Europe
1