Classification
170 - Ethics
301 - Sociology & anthropology
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
3
200 - Religion
3
900 - History & geography
3
100 - Philosophy & psychology
2
320 - Political science
2
340 - Law
2
600 - Technology
2
000 - Computer science, information & general works
1
300 - Social sciences
1
330 - Economics
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
370 - Education
1
520 - Astronomy & allied sciences
1
610 - Medicine & health
1