Classification
330 - Economics
41
320 - Political science
35
100 - Philosophy & psychology
15
340 - Law
8
300 - Social sciences
5
380 - Commerce, communications & transportation
4
304 - Factors affecting social behavior
3
332 - Financial economics
3
361 - Social problems & social welfare in general
3
301 - Sociology & anthropology
2
363 - Other social problems & services
2
620 - Engineering & allied operations
2
900 - History & geography
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
331 - Labor economics
1
333 - Economics of land & energy
1
336 - Public finance
1
338 - Production
1
339 - Macroeconomics & related topics
1
341 - Law of nations
1
344 - Labor, social, education & cultural law
1
350 - Public administration & military science
1
382 - International commerce
1
658 - General management
1
700 - The arts; fine & decorative arts
1