Classification
000 - Computer science, information & general works
27
140 - Specific philosophical schools
11
170 - Ethics
2
300 - Social sciences
2
304 - Factors affecting social behavior
8
320 - Political science
3
330 - Economics
10
333 - Economics of land & energy
20
340 - Law
7
363 - Other social problems & services
380 - Commerce, communications & transportation
17
414 - Phonology & phonetics
6
500 - Natural sciences & mathematics
7
530 - Physics
2
540 - Chemistry & allied sciences
13
551 - Geology, hydrology & meteorology
5
576 - Genetics & evolution
17
580 - Plants (Botany)
9
581 - Specific topics in natural history
2
600 - Technology
35
610 - Medicine & health
10
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
34
630 - Agriculture & related technologies
5
650 - Management & auxiliary services
1
658 - General management
1
700 - The arts; fine & decorative arts
42
720 - Architecture
5
800 - Literature & rhetoric
4
900 - History & geography
24