Classification
341 - Law of nations
17
344 - Labor, social, education & cultural law
5
333 - Economics of land & energy
4
340 - Law
4
363 - Other social problems & services
3
320 - Political science
2
551 - Geology, hydrology & meteorology
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
001 - Knowledge
1
140 - Specific philosophical schools
1
300 - Social sciences
1
327 - International relations
1
330 - Economics
1
343 - Military, tax, trade & industrial law
1
346 - Private law
1
349 - Law of specific jurisdictions & areas
1
410 - Linguistics
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1