Classification
000 - Computer science, information & general works
7
100 - Philosophy & psychology
3
140 - Specific philosophical schools
8
170 - Ethics
2
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
3
330 - Economics
2
333 - Economics of land & energy
4
363 - Other social problems & services
3
370 - Education
2
380 - Commerce, communications & transportation
2
414 - Phonology & phonetics
1
530 - Physics
2
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
4
581 - Specific topics in natural history
1
600 - Technology
11
610 - Medicine & health
612 - Human physiology
2
620 - Engineering & allied operations
11
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
13
720 - Architecture
2
780 - Music
2
800 - Literature & rhetoric
3
900 - History & geography