Classification
000 - Computer science, information & general works
363 - Other social problems & services
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
333 - Economics of land & energy
46
600 - Technology
37
330 - Economics
31
140 - Specific philosophical schools
26
620 - Engineering & allied operations
26
900 - History & geography
26
610 - Medicine & health
25
320 - Political science
24
370 - Education
13
551 - Geology, hydrology & meteorology
13
576 - Genetics & evolution
13
580 - Plants (Botany)
11
720 - Architecture
11
500 - Natural sciences & mathematics
10
581 - Specific topics in natural history
9
340 - Law
8
414 - Phonology & phonetics
8
300 - Social sciences
7
540 - Chemistry & allied sciences
7
630 - Agriculture & related technologies
7
530 - Physics
5
612 - Human physiology
5
200 - Religion
4
301 - Sociology & anthropology
4
304 - Factors affecting social behavior
4
400 - Language
4
658 - General management
4
800 - Literature & rhetoric
4
100 - Philosophy & psychology
3
410 - Linguistics
3
361 - Social problems & social welfare in general
2
780 - Music
2
120 - Epistemology, causation & humankind
1
160 - Logic
1
170 - Ethics
1
550 - Earth sciences
1
590 - Animals (Zoology)
1
650 - Management & auxiliary services
1
657 - Accounting
1
791 - Public performances
1