Classification
320 - Political science
330 - Economics
363 - Other social problems & services
380 - Commerce, communications & transportation
333 - Economics of land & energy
50
700 - The arts; fine & decorative arts
22
600 - Technology
18
000 - Computer science, information & general works
16
551 - Geology, hydrology & meteorology
14
370 - Education
10
140 - Specific philosophical schools
9
630 - Agriculture & related technologies
9
900 - History & geography
9
576 - Genetics & evolution
8
610 - Medicine & health
7
300 - Social sciences
5
340 - Law
5
581 - Specific topics in natural history
5
658 - General management
5
720 - Architecture
5
620 - Engineering & allied operations
4
800 - Literature & rhetoric
4
304 - Factors affecting social behavior
3
336 - Public finance
3
410 - Linguistics
3
414 - Phonology & phonetics
3
657 - Accounting
3
100 - Philosophy & psychology
2
200 - Religion
2
580 - Plants (Botany)
2
170 - Ethics
1
301 - Sociology & anthropology
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
550 - Earth sciences
1
650 - Management & auxiliary services
1
791 - Public performances
1