Classification
000 - Computer science, information & general works
7
140 - Specific philosophical schools
3
300 - Social sciences
3
320 - Political science
1
333 - Economics of land & energy
5
340 - Law
2
363 - Other social problems & services
6
380 - Commerce, communications & transportation
4
410 - Linguistics
1
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
3
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
7
576 - Genetics & evolution
4
580 - Plants (Botany)
6
581 - Specific topics in natural history
6
600 - Technology
4
610 - Medicine & health
7
612 - Human physiology
4
620 - Engineering & allied operations
5
630 - Agriculture & related technologies
4
700 - The arts; fine & decorative arts
720 - Architecture
1
900 - History & geography
1