Classification
000 - Computer science, information & general works
6
100 - Philosophy & psychology
7
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
10
170 - Ethics
1
200 - Religion
4
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
301 - Sociology & anthropology
10
304 - Factors affecting social behavior
3
320 - Political science
27
330 - Economics
16
333 - Economics of land & energy
8
340 - Law
2
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
2
363 - Other social problems & services
14
370 - Education
4
380 - Commerce, communications & transportation
1
400 - Language
4
410 - Linguistics
3
500 - Natural sciences & mathematics
3
530 - Physics
1
551 - Geology, hydrology & meteorology
3
576 - Genetics & evolution
1
580 - Plants (Botany)
1
600 - Technology
5
610 - Medicine & health
2
620 - Engineering & allied operations
3
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
720 - Architecture
3
770 - Photography, photographs & computer art
2
780 - Music
2
800 - Literature & rhetoric
3
900 - History & geography
21
943 - Central Europe; Germany
1