Classification
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
10
600 - Technology
7
620 - Engineering & allied operations
6
333 - Economics of land & energy
5
500 - Natural sciences & mathematics
5
900 - History & geography
5
330 - Economics
4
320 - Political science
3
530 - Physics
3
140 - Specific philosophical schools
2
340 - Law
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
400 - Language
2
551 - Geology, hydrology & meteorology
2
370 - Education
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
612 - Human physiology
1
658 - General management
1
800 - Literature & rhetoric
1