Classification
000 - Computer science, information & general works
700 - The arts; fine & decorative arts
19
600 - Technology
12
363 - Other social problems & services
10
380 - Commerce, communications & transportation
9
540 - Chemistry & allied sciences
9
333 - Economics of land & energy
7
620 - Engineering & allied operations
6
330 - Economics
5
900 - History & geography
5
500 - Natural sciences & mathematics
3
530 - Physics
3
414 - Phonology & phonetics
2
610 - Medicine & health
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
304 - Factors affecting social behavior
1
340 - Law
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
720 - Architecture
1
800 - Literature & rhetoric
1