Classification
000 - Computer science, information & general works
40
700 - The arts; fine & decorative arts
36
500 - Natural sciences & mathematics
34
600 - Technology
28
620 - Engineering & allied operations
18
333 - Economics of land & energy
15
900 - History & geography
14
340 - Law
9
140 - Specific philosophical schools
8
330 - Economics
8
576 - Genetics & evolution
8
380 - Commerce, communications & transportation
7
363 - Other social problems & services
4
530 - Physics
4
610 - Medicine & health
4
800 - Literature & rhetoric
4
100 - Philosophy & psychology
3
658 - General management
3
410 - Linguistics
2
551 - Geology, hydrology & meteorology
2
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
720 - Architecture
2
780 - Music
2
320 - Political science
1
370 - Education
1
400 - Language
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
550 - Earth sciences
1
612 - Human physiology
1
791 - Public performances
1