Classification
330 - Economics
610 - Medicine & health
4
612 - Human physiology
333 - Economics of land & energy
3
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
363 - Other social problems & services
2
361 - Social problems & social welfare in general
1
370 - Education
1
380 - Commerce, communications & transportation
1
658 - General management
1
700 - The arts; fine & decorative arts
1