Classification
000 - Computer science, information & general works
43
100 - Philosophy & psychology
12
120 - Epistemology, causation & humankind
2
140 - Specific philosophical schools
26
170 - Ethics
14
200 - Religion
5
300 - Social sciences
15
301 - Sociology & anthropology
6
304 - Factors affecting social behavior
6
320 - Political science
30
330 - Economics
40
333 - Economics of land & energy
52
340 - Law
346 - Private law
1
350 - Public administration & military science
2
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
3
363 - Other social problems & services
38
364 - Criminology
5
370 - Education
12
380 - Commerce, communications & transportation
40
400 - Language
8
410 - Linguistics
7
414 - Phonology & phonetics
8
500 - Natural sciences & mathematics
18
530 - Physics
13
540 - Chemistry & allied sciences
4
551 - Geology, hydrology & meteorology
9
576 - Genetics & evolution
24
580 - Plants (Botany)
14
581 - Specific topics in natural history
5
600 - Technology
610 - Medicine & health
23
612 - Human physiology
1
620 - Engineering & allied operations
91
630 - Agriculture & related technologies
12
657 - Accounting
2
658 - General management
5
700 - The arts; fine & decorative arts
85
720 - Architecture
9
770 - Photography, photographs & computer art
1
780 - Music
2
791 - Public performances
1
800 - Literature & rhetoric
6
900 - History & geography
80