Classification
320 - Political science
380 - Commerce, communications & transportation
600 - Technology
333 - Economics of land & energy
10
330 - Economics
7
363 - Other social problems & services
7
700 - The arts; fine & decorative arts
5
630 - Agriculture & related technologies
4
800 - Literature & rhetoric
4
000 - Computer science, information & general works
3
620 - Engineering & allied operations
3
900 - History & geography
3
340 - Law
2
370 - Education
2
551 - Geology, hydrology & meteorology
2
657 - Accounting
2
720 - Architecture
2
414 - Phonology & phonetics
1
530 - Physics
1
580 - Plants (Botany)
1
610 - Medicine & health
1
658 - General management
1