Classification
320 - Political science
551 - Geology, hydrology & meteorology
000 - Computer science, information & general works
2
330 - Economics
2
363 - Other social problems & services
2
580 - Plants (Botany)
2
700 - The arts; fine & decorative arts
2
333 - Economics of land & energy
1
370 - Education
1
380 - Commerce, communications & transportation
1
630 - Agriculture & related technologies
1
658 - General management
1
800 - Literature & rhetoric
1