Classification
620 - Engineering & allied operations
21
600 - Technology
5
330 - Economics
4
338 - Production
3
630 - Agriculture & related technologies
3
320 - Political science
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
624 - Civil engineering
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
332 - Financial economics
1
401 - Philosophy & theory
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1
580 - Plants (Botany)
1
628 - Sanitary & municipal engineering
1
658 - General management
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
800 - Literature & rhetoric
1