Classification
340 - Law
610 - Medicine & health
330 - Economics
3
140 - Specific philosophical schools
2
300 - Social sciences
2
700 - The arts; fine & decorative arts
2
200 - Religion
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
320 - Political science
1
333 - Economics of land & energy
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
364 - Criminology
1
581 - Specific topics in natural history
1
600 - Technology
1
630 - Agriculture & related technologies
1