Classification
100 - Philosophy & psychology
200 - Religion
2
330 - Economics
600 - Technology
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
300 - Social sciences
1
301 - Sociology & anthropology
1
363 - Other social problems & services
1
530 - Physics
1
620 - Engineering & allied operations
1
658 - General management
1
900 - History & geography
1