Classification
100 - Philosophy & psychology
300 - Social sciences
370 - Education
320 - Political science
10
301 - Sociology & anthropology
7
140 - Specific philosophical schools
6
700 - The arts; fine & decorative arts
6
900 - History & geography
5
330 - Economics
4
333 - Economics of land & energy
4
340 - Law
4
380 - Commerce, communications & transportation
3
400 - Language
3
600 - Technology
3
000 - Computer science, information & general works
2
170 - Ethics
2
200 - Religion
2
363 - Other social problems & services
2
576 - Genetics & evolution
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
658 - General management
1
770 - Photography, photographs & computer art
1