Classification
000 - Computer science, information & general works
363 - Other social problems & services
800 - Literature & rhetoric
700 - The arts; fine & decorative arts
23
330 - Economics
17
333 - Economics of land & energy
17
610 - Medicine & health
14
600 - Technology
12
551 - Geology, hydrology & meteorology
10
900 - History & geography
10
380 - Commerce, communications & transportation
8
580 - Plants (Botany)
8
140 - Specific philosophical schools
7
500 - Natural sciences & mathematics
7
576 - Genetics & evolution
7
620 - Engineering & allied operations
7
100 - Philosophy & psychology
6
304 - Factors affecting social behavior
5
320 - Political science
5
581 - Specific topics in natural history
5
400 - Language
4
720 - Architecture
4
370 - Education
3
410 - Linguistics
3
630 - Agriculture & related technologies
3
120 - Epistemology, causation & humankind
2
301 - Sociology & anthropology
2
590 - Animals (Zoology)
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
340 - Law
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
414 - Phonology & phonetics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
612 - Human physiology
1
657 - Accounting
1
658 - General management
1
780 - Music
1
791 - Public performances
1