Classification
100 - Philosophy & psychology
140 - Specific philosophical schools
576 - Genetics & evolution
600 - Technology
300 - Social sciences
2
301 - Sociology & anthropology
2
330 - Economics
2
370 - Education
2
620 - Engineering & allied operations
2
900 - History & geography
2
000 - Computer science, information & general works
1
320 - Political science
1
340 - Law
1
400 - Language
1
410 - Linguistics
1
780 - Music
1