Classification
320 - Political science
363 - Other social problems & services
2
551 - Geology, hydrology & meteorology
2
600 - Technology
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
900 - History & geography
330 - Economics
1
360 - Social problems & services; associations
1
576 - Genetics & evolution
1
610 - Medicine & health
1