Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
300 - Social sciences
4
400 - Language
600 - Technology
700 - The arts; fine & decorative arts
380 - Commerce, communications & transportation
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
320 - Political science
1
330 - Economics
1
370 - Education
1
410 - Linguistics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
780 - Music
1
900 - History & geography
1