Classification
000 - Computer science, information & general works
333 - Economics of land & energy
363 - Other social problems & services
540 - Chemistry & allied sciences
600 - Technology
700 - The arts; fine & decorative arts
620 - Engineering & allied operations
4
370 - Education
2
551 - Geology, hydrology & meteorology
2
630 - Agriculture & related technologies
2
300 - Social sciences
1
320 - Political science
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
610 - Medicine & health
1
612 - Human physiology
1
720 - Architecture
1