Classification
000 - Computer science, information & general works
6
140 - Specific philosophical schools
2
301 - Sociology & anthropology
1
320 - Political science
4
330 - Economics
8
333 - Economics of land & energy
8
340 - Law
350 - Public administration & military science
1
363 - Other social problems & services
4
380 - Commerce, communications & transportation
5
400 - Language
2
500 - Natural sciences & mathematics
1
530 - Physics
2
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
3
576 - Genetics & evolution
2
580 - Plants (Botany)
4
600 - Technology
3
610 - Medicine & health
3
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
900 - History & geography
2