Classification
380 - Commerce, communications & transportation
720 - Architecture
900 - History & geography
620 - Engineering & allied operations
12
600 - Technology
11
700 - The arts; fine & decorative arts
11
363 - Other social problems & services
7
333 - Economics of land & energy
6
140 - Specific philosophical schools
5
320 - Political science
5
330 - Economics
5
340 - Law
5
000 - Computer science, information & general works
4
576 - Genetics & evolution
4
370 - Education
3
500 - Natural sciences & mathematics
3
610 - Medicine & health
3
200 - Religion
2
658 - General management
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
580 - Plants (Botany)
1
800 - Literature & rhetoric
1