Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
170 - Ethics
2
300 - Social sciences
5
320 - Political science
330 - Economics
333 - Economics of land & energy
8
340 - Law
1
363 - Other social problems & services
4
370 - Education
4
380 - Commerce, communications & transportation
3
400 - Language
1
410 - Linguistics
2
530 - Physics
2
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
2
581 - Specific topics in natural history
1
600 - Technology
610 - Medicine & health
3
620 - Engineering & allied operations
630 - Agriculture & related technologies
3
658 - General management
2
700 - The arts; fine & decorative arts
9
720 - Architecture
2
770 - Photography, photographs & computer art
1
780 - Music
2
900 - History & geography