Classification
330 - Economics
49
338 - Production
22
333 - Economics of land & energy
4
306 - Culture & institutions
3
320 - Political science
3
658 - General management
3
600 - Technology
2
006 - Special computer methods
1
300 - Social sciences
1
327 - International relations
1
331 - Labor economics
1
332 - Financial economics
1
337 - International economics
1
360 - Social problems & services; associations
1
363 - Other social problems & services
1
371 - Schools & their activities; special education
1
380 - Commerce, communications & transportation
1
381 - Commerce
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
657 - Accounting
1
900 - History & geography
1