Classification
000 - Computer science, information & general works
4
100 - Philosophy & psychology
140 - Specific philosophical schools
2
200 - Religion
1
300 - Social sciences
5
301 - Sociology & anthropology
1
320 - Political science
330 - Economics
5
333 - Economics of land & energy
2
340 - Law
1
363 - Other social problems & services
1
370 - Education
2
380 - Commerce, communications & transportation
2
400 - Language
3
410 - Linguistics
2
530 - Physics
1
600 - Technology
610 - Medicine & health
1
620 - Engineering & allied operations
5
630 - Agriculture & related technologies
3
658 - General management
1
700 - The arts; fine & decorative arts
720 - Architecture
3
770 - Photography, photographs & computer art
2
780 - Music
4
900 - History & geography