Classification
200 - Religion
320 - Political science
610 - Medicine & health
900 - History & geography
330 - Economics
2
333 - Economics of land & energy
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
300 - Social sciences
1
301 - Sociology & anthropology
1
360 - Social problems & services; associations
1
370 - Education
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1