Classification
370 - Education
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
900 - History & geography
333 - Economics of land & energy
6
100 - Philosophy & psychology
4
330 - Economics
4
610 - Medicine & health
4
363 - Other social problems & services
3
600 - Technology
3
140 - Specific philosophical schools
2
200 - Religion
2
300 - Social sciences
2
380 - Commerce, communications & transportation
2
620 - Engineering & allied operations
2
720 - Architecture
2
120 - Epistemology, causation & humankind
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
320 - Political science
1
340 - Law
1
400 - Language
1
520 - Astronomy & allied sciences
1
658 - General management
1
791 - Public performances
1