Classification
000 - Computer science, information & general works
1
300 - Social sciences
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
364 - Criminology
1
576 - Genetics & evolution
1
610 - Medicine & health
900 - History & geography