Classification
340 - Law
370 - Education
9
100 - Philosophy & psychology
3
304 - Factors affecting social behavior
3
320 - Political science
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
200 - Religion
2
333 - Economics of land & energy
2
400 - Language
2
500 - Natural sciences & mathematics
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
380 - Commerce, communications & transportation
1
530 - Physics
1
610 - Medicine & health
1