Classification
363 - Other social problems & services
576 - Genetics & evolution
610 - Medicine & health
3
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
2
333 - Economics of land & energy
2
304 - Factors affecting social behavior
1
380 - Commerce, communications & transportation
1
581 - Specific topics in natural history
1
600 - Technology
1