Classification
100 - Philosophy & psychology
300 - Social sciences
340 - Law
360 - Social problems & services; associations
361 - Social problems & social welfare in general
3
000 - Computer science, information & general works
2
170 - Ethics
2
200 - Religion
2
320 - Political science
2
364 - Criminology
2
600 - Technology
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
500 - Natural sciences & mathematics
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1