Classification
500 - Natural sciences & mathematics
000 - Computer science, information & general works
16
700 - The arts; fine & decorative arts
16
580 - Plants (Botany)
15
600 - Technology
12
610 - Medicine & health
12
620 - Engineering & allied operations
10
140 - Specific philosophical schools
8
333 - Economics of land & energy
8
363 - Other social problems & services
8
581 - Specific topics in natural history
8
380 - Commerce, communications & transportation
7
551 - Geology, hydrology & meteorology
7
576 - Genetics & evolution
7
900 - History & geography
7
300 - Social sciences
4
414 - Phonology & phonetics
4
540 - Chemistry & allied sciences
4
800 - Literature & rhetoric
4
330 - Economics
3
612 - Human physiology
3
320 - Political science
2
340 - Law
2
400 - Language
2
630 - Agriculture & related technologies
2
170 - Ethics
1
370 - Education
1
530 - Physics
1
658 - General management
1
720 - Architecture
1
780 - Music
1