Classification
000 - Computer science, information & general works
2
304 - Factors affecting social behavior
1
320 - Political science
1
330 - Economics
5
333 - Economics of land & energy
4
363 - Other social problems & services
2
370 - Education
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
2
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
3
576 - Genetics & evolution
2
580 - Plants (Botany)
3
581 - Specific topics in natural history
3
600 - Technology
9
610 - Medicine & health
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
700 - The arts; fine & decorative arts
2
720 - Architecture
1