Classification
000 - Computer science, information & general works
2
100 - Philosophy & psychology
6
140 - Specific philosophical schools
2
200 - Religion
1
300 - Social sciences
4
301 - Sociology & anthropology
2
320 - Political science
4
330 - Economics
4
333 - Economics of land & energy
5
340 - Law
1
370 - Education
380 - Commerce, communications & transportation
4
400 - Language
3
410 - Linguistics
2
500 - Natural sciences & mathematics
2
530 - Physics
1
576 - Genetics & evolution
2
600 - Technology
7
610 - Medicine & health
2
620 - Engineering & allied operations
5
630 - Agriculture & related technologies
2
658 - General management
1
700 - The arts; fine & decorative arts
11
780 - Music
900 - History & geography