Classification
610 - Medicine & health
363 - Other social problems & services
2
700 - The arts; fine & decorative arts
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
300 - Social sciences
1
333 - Economics of land & energy
1
370 - Education
1
380 - Commerce, communications & transportation
1
600 - Technology
1
658 - General management
1