Classification
000 - Computer science, information & general works
2
100 - Philosophy & psychology
140 - Specific philosophical schools
2
170 - Ethics
3
200 - Religion
2
300 - Social sciences
3
301 - Sociology & anthropology
1
320 - Political science
6
330 - Economics
3
333 - Economics of land & energy
1
340 - Law
360 - Social problems & services; associations
3
361 - Social problems & social welfare in general
364 - Criminology
2
500 - Natural sciences & mathematics
1
600 - Technology
2
610 - Medicine & health
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1
900 - History & geography
3