Classification
355 - Military science
4
338 - Production
2
363 - Other social problems & services
2
303 - Social processes
1
306 - Culture & institutions
1
320 - Political science
1
327 - International relations
1
333 - Economics of land & energy
1
341 - Law of nations
1
343 - Military, tax, trade & industrial law
1
353 - Specific fields of public administration
1
909 - World history
1