Classification
000 - Computer science, information & general works
8
300 - Social sciences
2
304 - Factors affecting social behavior
1
320 - Political science
6
330 - Economics
8
333 - Economics of land & energy
8
340 - Law
1
350 - Public administration & military science
1
363 - Other social problems & services
370 - Education
2
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
4
530 - Physics
1
540 - Chemistry & allied sciences
2
551 - Geology, hydrology & meteorology
580 - Plants (Botany)
4
581 - Specific topics in natural history
2
600 - Technology
9
610 - Medicine & health
4
620 - Engineering & allied operations
8
630 - Agriculture & related technologies
700 - The arts; fine & decorative arts
10
800 - Literature & rhetoric
3
900 - History & geography
1