Classification
000 - Computer science, information & general works
400 - Language
700 - The arts; fine & decorative arts
600 - Technology
32
333 - Economics of land & energy
17
620 - Engineering & allied operations
16
380 - Commerce, communications & transportation
15
900 - History & geography
15
330 - Economics
14
410 - Linguistics
14
140 - Specific philosophical schools
13
720 - Architecture
12
363 - Other social problems & services
11
370 - Education
11
500 - Natural sciences & mathematics
11
610 - Medicine & health
10
100 - Philosophy & psychology
9
320 - Political science
8
576 - Genetics & evolution
6
658 - General management
5
300 - Social sciences
4
551 - Geology, hydrology & meteorology
4
800 - Literature & rhetoric
4
301 - Sociology & anthropology
3
530 - Physics
3
580 - Plants (Botany)
3
630 - Agriculture & related technologies
3
780 - Music
3
200 - Religion
2
540 - Chemistry & allied sciences
2
581 - Specific topics in natural history
2
120 - Epistemology, causation & humankind
1
160 - Logic
1
340 - Law
1
360 - Social problems & services; associations
1
414 - Phonology & phonetics
1
550 - Earth sciences
1
590 - Animals (Zoology)
1
791 - Public performances
1