Classification
000 - Computer science, information & general works
59
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
36
160 - Logic
1
170 - Ethics
3
200 - Religion
4
300 - Social sciences
8
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
8
320 - Political science
35
330 - Economics
66
333 - Economics of land & energy
91
336 - Public finance
1
340 - Law
20
361 - Social problems & social welfare in general
3
363 - Other social problems & services
364 - Criminology
1
370 - Education
24
380 - Commerce, communications & transportation
400 - Language
8
410 - Linguistics
3
414 - Phonology & phonetics
5
500 - Natural sciences & mathematics
10
530 - Physics
5
540 - Chemistry & allied sciences
2
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
27
576 - Genetics & evolution
22
580 - Plants (Botany)
19
581 - Specific topics in natural history
6
600 - Technology
610 - Medicine & health
30
612 - Human physiology
2
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
92
630 - Agriculture & related technologies
15
650 - Management & auxiliary services
2
657 - Accounting
5
658 - General management
13
700 - The arts; fine & decorative arts
81
720 - Architecture
20
800 - Literature & rhetoric
10
900 - History & geography
79