Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
400 - Language
700 - The arts; fine & decorative arts
900 - History & geography
6
380 - Commerce, communications & transportation
5
600 - Technology
5
610 - Medicine & health
5
370 - Education
4
363 - Other social problems & services
3
620 - Engineering & allied operations
3
720 - Architecture
3
100 - Philosophy & psychology
2
320 - Political science
2
330 - Economics
2
500 - Natural sciences & mathematics
2
551 - Geology, hydrology & meteorology
2
800 - Literature & rhetoric
2
200 - Religion
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
340 - Law
1
360 - Social problems & services; associations
1
410 - Linguistics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
630 - Agriculture & related technologies
1
658 - General management
1
780 - Music
1
791 - Public performances
1