Classification
000 - Computer science, information & general works
5
100 - Philosophy & psychology
11
140 - Specific philosophical schools
14
170 - Ethics
6
200 - Religion
8
300 - Social sciences
38
301 - Sociology & anthropology
304 - Factors affecting social behavior
5
320 - Political science
27
330 - Economics
333 - Economics of land & energy
14
338 - Production
1
340 - Law
11
361 - Social problems & social welfare in general
2
363 - Other social problems & services
10
364 - Criminology
1
370 - Education
7
380 - Commerce, communications & transportation
8
400 - Language
3
410 - Linguistics
2
530 - Physics
2
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
3
580 - Plants (Botany)
1
581 - Specific topics in natural history
3
600 - Technology
9
610 - Medicine & health
4
620 - Engineering & allied operations
3
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
14
720 - Architecture
1
780 - Music
2
800 - Literature & rhetoric
1
900 - History & geography
22