Classification
700 - The arts; fine & decorative arts
16
720 - Architecture
551 - Geology, hydrology & meteorology
3
333 - Economics of land & energy
2
363 - Other social problems & services
2
900 - History & geography
2
100 - Philosophy & psychology
1
320 - Political science
1
600 - Technology
1
620 - Engineering & allied operations
1