Classification
300 - Social sciences
330 - Economics
340 - Law
576 - Genetics & evolution
600 - Technology
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
320 - Political science
1
364 - Criminology
1
370 - Education
1
380 - Commerce, communications & transportation
1
620 - Engineering & allied operations
1
900 - History & geography
1