Classification
320 - Political science
177
327 - International relations
24
324 - The political process
23
306 - Culture & institutions
10
370 - Education
8
355 - Military science
7
363 - Other social problems & services
7
351 - Public administration
6
303 - Social processes
5
325 - International migration & colonization
5
322 - Relation of state to organized groups
4
328 - The legislative process
4
330 - Economics
4
338 - Production
4
307 - Communities
3
342 - Constitutional & administrative law
3
305 - Social groups
2
333 - Economics of land & energy
2
341 - Law of nations
2
003 - Systems
1
150 - Psychology
1
158 - Applied psychology
1
301 - Sociology & anthropology
1
302 - Social interaction
1
321 - Systems of governments & states
1
407 - Education, research & related topics
1
418 - Standard usage & applied linguistics
1
621 - Applied physics
1
650 - Management & auxiliary services
1
658 - General management
1
943 - Central Europe; Germany
1