Classification
000 - Computer science, information & general works
2
140 - Specific philosophical schools
1
170 - Ethics
320 - Political science
1
330 - Economics
2
333 - Economics of land & energy
1
340 - Law
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
551 - Geology, hydrology & meteorology
1
600 - Technology
2
610 - Medicine & health
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
1
660 - Chemical engineering
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
800 - Literature & rhetoric
1
900 - History & geography
1