Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
2
140 - Specific philosophical schools
9
200 - Religion
1
300 - Social sciences
1
320 - Political science
6
330 - Economics
333 - Economics of land & energy
20
336 - Public finance
1
340 - Law
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
13
370 - Education
3
380 - Commerce, communications & transportation
8
400 - Language
2
410 - Linguistics
2
500 - Natural sciences & mathematics
6
551 - Geology, hydrology & meteorology
4
576 - Genetics & evolution
6
580 - Plants (Botany)
6
581 - Specific topics in natural history
2
600 - Technology
610 - Medicine & health
11
620 - Engineering & allied operations
13
630 - Agriculture & related technologies
7
658 - General management
700 - The arts; fine & decorative arts
20
720 - Architecture
3
780 - Music
1
900 - History & geography
10