Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
900 - History & geography
330 - Economics
6
600 - Technology
5
620 - Engineering & allied operations
5
140 - Specific philosophical schools
4
320 - Political science
4
333 - Economics of land & energy
3
363 - Other social problems & services
3
380 - Commerce, communications & transportation
3
100 - Philosophy & psychology
2
200 - Religion
2
340 - Law
2
360 - Social problems & services; associations
2
370 - Education
2
000 - Computer science, information & general works
1
301 - Sociology & anthropology
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
720 - Architecture
1