Classification
330 - Economics
2
340 - Law
630 - Agriculture & related technologies
140 - Specific philosophical schools
1
304 - Factors affecting social behavior
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1