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