Classification
000 - Computer science, information & general works
9
140 - Specific philosophical schools
4
304 - Factors affecting social behavior
2
330 - Economics
3
333 - Economics of land & energy
6
363 - Other social problems & services
8
370 - Education
1
380 - Commerce, communications & transportation
3
400 - Language
2
414 - Phonology & phonetics
4
551 - Geology, hydrology & meteorology
5
576 - Genetics & evolution
1
580 - Plants (Botany)
9
600 - Technology
610 - Medicine & health
6
612 - Human physiology
2
620 - Engineering & allied operations
15
630 - Agriculture & related technologies
9
658 - General management
1
700 - The arts; fine & decorative arts
11
720 - Architecture
1
800 - Literature & rhetoric
2
900 - History & geography
7