Classification
400 - Language
000 - Computer science, information & general works
34
700 - The arts; fine & decorative arts
31
600 - Technology
25
380 - Commerce, communications & transportation
20
330 - Economics
18
333 - Economics of land & energy
18
410 - Linguistics
17
610 - Medicine & health
17
900 - History & geography
16
140 - Specific philosophical schools
15
370 - Education
15
363 - Other social problems & services
14
620 - Engineering & allied operations
13
320 - Political science
12
720 - Architecture
9
340 - Law
6
300 - Social sciences
5
500 - Natural sciences & mathematics
5
800 - Literature & rhetoric
5
576 - Genetics & evolution
4
580 - Plants (Botany)
4
658 - General management
4
540 - Chemistry & allied sciences
3
100 - Philosophy & psychology
2
120 - Epistemology, causation & humankind
2
170 - Ethics
2
350 - Public administration & military science
2
530 - Physics
2
551 - Geology, hydrology & meteorology
2
200 - Religion
1
301 - Sociology & anthropology
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
791 - Public performances
1