Classification
600 - Technology
56
700 - The arts; fine & decorative arts
54
620 - Engineering & allied operations
42
333 - Economics of land & energy
35
000 - Computer science, information & general works
33
900 - History & geography
32
540 - Chemistry & allied sciences
26
610 - Medicine & health
12
363 - Other social problems & services
11
530 - Physics
11
576 - Genetics & evolution
11
414 - Phonology & phonetics
9
380 - Commerce, communications & transportation
8
580 - Plants (Botany)
6
330 - Economics
4
140 - Specific philosophical schools
3
650 - Management & auxiliary services
3
304 - Factors affecting social behavior
2
340 - Law
2
615 - Pharmacology & therapeutics
2
630 - Agriculture & related technologies
2
800 - Literature & rhetoric
2
320 - Political science
1
500 - Natural sciences & mathematics
1
780 - Music
1