Classification
000 - Computer science, information & general works
330 - Economics
658 - General management
7
320 - Political science
4
338 - Production
3
300 - Social sciences
2
333 - Economics of land & energy
2
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
650 - Management & auxiliary services
2
670 - Manufacturing
2
001 - Knowledge
1
100 - Philosophy & psychology
1
153 - Mental processes & intelligence
1
158 - Applied psychology
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
370 - Education
1
500 - Natural sciences & mathematics
1
581 - Specific topics in natural history
1
600 - Technology
1
700 - The arts; fine & decorative arts
1