Classification
320 - Political science
330 - Economics
363 - Other social problems & services
610 - Medicine & health
700 - The arts; fine & decorative arts
8
333 - Economics of land & energy
7
000 - Computer science, information & general works
5
551 - Geology, hydrology & meteorology
4
630 - Agriculture & related technologies
4
900 - History & geography
4
140 - Specific philosophical schools
3
581 - Specific topics in natural history
3
600 - Technology
3
100 - Philosophy & psychology
2
580 - Plants (Botany)
2
620 - Engineering & allied operations
2
300 - Social sciences
1
301 - Sociology & anthropology
1
340 - Law
1
350 - Public administration & military science
1
370 - Education
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
550 - Earth sciences
1
576 - Genetics & evolution
1
658 - General management
1
720 - Architecture
1