Classification
330 - Economics
340 - Law
363 - Other social problems & services
700 - The arts; fine & decorative arts
3
000 - Computer science, information & general works
2
333 - Economics of land & energy
2
580 - Plants (Botany)
2
610 - Medicine & health
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
320 - Political science
1
380 - Commerce, communications & transportation
1
400 - Language
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
900 - History & geography
1