Classification
658 - General management
4
330 - Economics
3
333 - Economics of land & energy
3
000 - Computer science, information & general works
2
320 - Political science
2
600 - Technology
2
610 - Medicine & health
2
004 - Data processing & computer science
1
337 - International economics
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
620 - Engineering & allied operations
1
720 - Architecture
1
900 - History & geography
1