Classification
300 - Social sciences
12
330 - Economics
380 - Commerce, communications & transportation
4
320 - Political science
3
576 - Genetics & evolution
3
600 - Technology
3
700 - The arts; fine & decorative arts
3
340 - Law
2
900 - History & geography
2
000 - Computer science, information & general works
1
170 - Ethics
1
301 - Sociology & anthropology
1
364 - Criminology
1
620 - Engineering & allied operations
1