Classification
000 - Computer science, information & general works
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
2
300 - Social sciences
1
304 - Factors affecting social behavior
1
320 - Political science
4
330 - Economics
3
333 - Economics of land & energy
4
363 - Other social problems & services
4
370 - Education
1
380 - Commerce, communications & transportation
2
400 - Language
2
414 - Phonology & phonetics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
600 - Technology
7
610 - Medicine & health
10
612 - Human physiology
1
620 - Engineering & allied operations
6
700 - The arts; fine & decorative arts
9
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1
900 - History & geography