Classification
700 - The arts; fine & decorative arts
30
000 - Computer science, information & general works
27
600 - Technology
20
333 - Economics of land & energy
18
620 - Engineering & allied operations
15
380 - Commerce, communications & transportation
10
363 - Other social problems & services
9
900 - History & geography
9
140 - Specific philosophical schools
8
500 - Natural sciences & mathematics
7
576 - Genetics & evolution
7
610 - Medicine & health
7
100 - Philosophy & psychology
6
612 - Human physiology
6
320 - Political science
5
340 - Law
5
300 - Social sciences
4
330 - Economics
4
720 - Architecture
4
400 - Language
3
530 - Physics
3
540 - Chemistry & allied sciences
3
580 - Plants (Botany)
3
658 - General management
3
006 - Special computer methods
2
301 - Sociology & anthropology
2
331 - Labor economics
2
370 - Education
2
384 - Communications; telecommunication
2
414 - Phonology & phonetics
2
550 - Earth sciences
2
551 - Geology, hydrology & meteorology
2
630 - Agriculture & related technologies
2
001 - Knowledge
1
003 - Systems
1
004 - Data processing & computer science
1
170 - Ethics
1
200 - Religion
1
401 - Philosophy & theory
1
510 - Mathematics
1
516 - Geometry
1
547 - Organic chemistry
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
629 - Other branches of engineering
1
780 - Music
1