Classification
658 - General management
000 - Computer science, information & general works
22
610 - Medicine & health
17
338 - Production
14
004 - Data processing & computer science
13
330 - Economics
12
363 - Other social problems & services
12
384 - Communications; telecommunication
12
500 - Natural sciences & mathematics
12
333 - Economics of land & energy
11
700 - The arts; fine & decorative arts
11
580 - Plants (Botany)
10
630 - Agriculture & related technologies
9
600 - Technology
8
620 - Engineering & allied operations
7
140 - Specific philosophical schools
4
370 - Education
4
551 - Geology, hydrology & meteorology
4
576 - Genetics & evolution
4
300 - Social sciences
3
381 - Commerce
3
570 - Life sciences; biology
3
005 - Computer programming, programs & data
2
100 - Philosophy & psychology
2
331 - Labor economics
2
361 - Social problems & social welfare in general
2
380 - Commerce, communications & transportation
2
510 - Mathematics
2
519 - Probabilities & applied mathematics
2
572 - Biochemistry
2
900 - History & geography
2
001 - Knowledge
1
003 - Systems
1
006 - Special computer methods
1
320 - Political science
1
332 - Financial economics
1
336 - Public finance
1
340 - Law
1
368 - Insurance
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
629 - Other branches of engineering
1
650 - Management & auxiliary services
1
651 - Office services
1
720 - Architecture
1
745 - Decorative arts
1
800 - Literature & rhetoric
1