Classification
320 - Political science
200 - Religion
9
900 - History & geography
9
333 - Economics of land & energy
4
700 - The arts; fine & decorative arts
4
100 - Philosophy & psychology
3
297 - Islam, Babism & Bahai Faith
3
370 - Education
3
140 - Specific philosophical schools
2
300 - Social sciences
2
330 - Economics
2
400 - Language
2
800 - Literature & rhetoric
2
170 - Ethics
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
340 - Law
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
780 - Music
1