Classification
363 - Other social problems & services
380 - Commerce, communications & transportation
658 - General management
330 - Economics
18
333 - Economics of land & energy
17
000 - Computer science, information & general works
13
600 - Technology
13
610 - Medicine & health
13
700 - The arts; fine & decorative arts
11
620 - Engineering & allied operations
10
580 - Plants (Botany)
7
140 - Specific philosophical schools
6
370 - Education
6
551 - Geology, hydrology & meteorology
6
900 - History & geography
6
320 - Political science
5
576 - Genetics & evolution
5
720 - Architecture
5
530 - Physics
3
800 - Literature & rhetoric
3
340 - Law
2
361 - Social problems & social welfare in general
2
400 - Language
2
410 - Linguistics
2
630 - Agriculture & related technologies
2
791 - Public performances
2
100 - Philosophy & psychology
1
170 - Ethics
1
336 - Public finance
1
350 - Public administration & military science
1
364 - Criminology
1
540 - Chemistry & allied sciences
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1