Classification
000 - Computer science, information & general works
13
100 - Philosophy & psychology
10
140 - Specific philosophical schools
5
170 - Ethics
3
200 - Religion
3
300 - Social sciences
17
301 - Sociology & anthropology
4
304 - Factors affecting social behavior
5
320 - Political science
330 - Economics
333 - Economics of land & energy
20
340 - Law
7
350 - Public administration & military science
2
360 - Social problems & services; associations
1
363 - Other social problems & services
15
370 - Education
13
380 - Commerce, communications & transportation
16
400 - Language
5
410 - Linguistics
3
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
3
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
3
580 - Plants (Botany)
5
581 - Specific topics in natural history
3
600 - Technology
610 - Medicine & health
9
620 - Engineering & allied operations
27
630 - Agriculture & related technologies
8
657 - Accounting
1
658 - General management
4
700 - The arts; fine & decorative arts
28
720 - Architecture
6
770 - Photography, photographs & computer art
2
780 - Music
6
900 - History & geography