Classification
370 - Education
610 - Medicine & health
700 - The arts; fine & decorative arts
22
333 - Economics of land & energy
21
600 - Technology
16
330 - Economics
15
100 - Philosophy & psychology
14
140 - Specific philosophical schools
14
320 - Political science
14
363 - Other social problems & services
14
000 - Computer science, information & general works
13
380 - Commerce, communications & transportation
13
900 - History & geography
11
551 - Geology, hydrology & meteorology
6
658 - General management
6
170 - Ethics
5
620 - Engineering & allied operations
5
340 - Law
4
400 - Language
4
720 - Architecture
4
780 - Music
4
200 - Religion
3
300 - Social sciences
3
120 - Epistemology, causation & humankind
2
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
2
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
350 - Public administration & military science
1
364 - Criminology
1
520 - Astronomy & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
657 - Accounting
1
791 - Public performances
1
800 - Literature & rhetoric
1