Classification
340 - Law
330 - Economics
55
320 - Political science
50
700 - The arts; fine & decorative arts
31
600 - Technology
24
000 - Computer science, information & general works
22
333 - Economics of land & energy
20
900 - History & geography
16
500 - Natural sciences & mathematics
15
576 - Genetics & evolution
13
620 - Engineering & allied operations
13
363 - Other social problems & services
12
380 - Commerce, communications & transportation
12
140 - Specific philosophical schools
9
530 - Physics
8
410 - Linguistics
5
610 - Medicine & health
5
720 - Architecture
5
100 - Philosophy & psychology
4
170 - Ethics
4
414 - Phonology & phonetics
4
551 - Geology, hydrology & meteorology
4
364 - Criminology
3
370 - Education
3
630 - Agriculture & related technologies
3
658 - General management
3
300 - Social sciences
2
301 - Sociology & anthropology
2
400 - Language
2
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
120 - Epistemology, causation & humankind
1
200 - Religion
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
800 - Literature & rhetoric
1