Classification
100 - Philosophy & psychology
170 - Ethics
300 - Social sciences
363 - Other social problems & services
320 - Political science
3
330 - Economics
2
340 - Law
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1