Classification
370 - Education
610 - Medicine & health
333 - Economics of land & energy
7
363 - Other social problems & services
7
900 - History & geography
7
380 - Commerce, communications & transportation
6
700 - The arts; fine & decorative arts
6
140 - Specific philosophical schools
5
330 - Economics
5
600 - Technology
4
000 - Computer science, information & general works
3
320 - Political science
3
551 - Geology, hydrology & meteorology
3
720 - Architecture
3
100 - Philosophy & psychology
2
200 - Religion
2
576 - Genetics & evolution
2
620 - Engineering & allied operations
2
658 - General management
2
800 - Literature & rhetoric
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
340 - Law
1
400 - Language
1
410 - Linguistics
1
615 - Pharmacology & therapeutics
1