Classification
363 - Other social problems & services
600 - Technology
610 - Medicine & health
620 - Engineering & allied operations
11
330 - Economics
10
333 - Economics of land & energy
9
700 - The arts; fine & decorative arts
9
000 - Computer science, information & general works
8
551 - Geology, hydrology & meteorology
8
370 - Education
7
900 - History & geography
7
320 - Political science
6
630 - Agriculture & related technologies
6
304 - Factors affecting social behavior
4
340 - Law
4
658 - General management
3
170 - Ethics
2
380 - Commerce, communications & transportation
2
580 - Plants (Botany)
2
140 - Specific philosophical schools
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
400 - Language
1
410 - Linguistics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
660 - Chemical engineering
1
720 - Architecture
1