Classification
000 - Computer science, information & general works
5
153 - Mental processes & intelligence
1
300 - Social sciences
9
301 - Sociology & anthropology
1
305 - Social groups
2
320 - Political science
3
321 - Systems of governments & states
1
330 - Economics
3,206
331 - Labor economics
3
332 - Financial economics
63
333 - Economics of land & energy
3
336 - Public finance
6
337 - International economics
3
338 - Production
44
339 - Macroeconomics & related topics
15
340 - Law
1
342 - Constitutional & administrative law
1
343 - Military, tax, trade & industrial law
2
346 - Private law
1
352 - General considerations of public administration
1
354 - Administration of economy & environment
1
362 - Social welfare problems & services
2
363 - Other social problems & services
1
364 - Criminology
1
368 - Insurance
4
380 - Commerce, communications & transportation
2
381 - Commerce
2
500 - Natural sciences & mathematics
6
530 - Physics
1
630 - Agriculture & related technologies
1
657 - Accounting
2
658 - General management
18
670 - Manufacturing
1
900 - History & geography
3
943 - Central Europe; Germany
1