Classification
361 - Social problems & social welfare in general
610 - Medicine & health
320 - Political science
3
360 - Social problems & services; associations
3
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
300 - Social sciences
1
301 - Sociology & anthropology
1
330 - Economics
1
340 - Law
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
900 - History & geography
1