Classification
333 - Economics of land & energy
330 - Economics
7
610 - Medicine & health
7
700 - The arts; fine & decorative arts
7
600 - Technology
5
620 - Engineering & allied operations
5
100 - Philosophy & psychology
3
370 - Education
3
900 - History & geography
3
380 - Commerce, communications & transportation
2
551 - Geology, hydrology & meteorology
2
630 - Agriculture & related technologies
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
300 - Social sciences
1
301 - Sociology & anthropology
1
320 - Political science
1
363 - Other social problems & services
1
540 - Chemistry & allied sciences
1
791 - Public performances
1