Classification
000 - Computer science, information & general works
363 - Other social problems & services
600 - Technology
333 - Economics of land & energy
5
370 - Education
4
700 - The arts; fine & decorative arts
4
610 - Medicine & health
3
320 - Political science
2
330 - Economics
2
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
2
530 - Physics
2
620 - Engineering & allied operations
2
900 - History & geography
2
100 - Philosophy & psychology
1
364 - Criminology
1
400 - Language
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
658 - General management
1
720 - Architecture
1
800 - Literature & rhetoric
1