Classification
500 - Natural sciences & mathematics
658 - General management
47
000 - Computer science, information & general works
40
330 - Economics
33
300 - Social sciences
26
005 - Computer programming, programs & data
22
004 - Data processing & computer science
21
302 - Social interaction
19
670 - Manufacturing
17
620 - Engineering & allied operations
15
006 - Special computer methods
11
331 - Labor economics
11
333 - Economics of land & energy
11
600 - Technology
8
153 - Mental processes & intelligence
6
700 - The arts; fine & decorative arts
6
381 - Commerce
5
519 - Probabilities & applied mathematics
5
380 - Commerce, communications & transportation
4
384 - Communications; telecommunication
4
745 - Decorative arts
4
338 - Production
3
530 - Physics
3
001 - Knowledge
2
025 - Library operations
2
140 - Specific philosophical schools
2
303 - Social processes
2
510 - Mathematics
2
540 - Chemistry & allied sciences
2
570 - Life sciences; biology
2
576 - Genetics & evolution
2
629 - Other branches of engineering
2
720 - Architecture
2
100 - Philosophy & psychology
1
158 - Applied psychology
1
170 - Ethics
1
306 - Culture & institutions
1
332 - Financial economics
1
340 - Law
1
343 - Military, tax, trade & industrial law
1
353 - Specific fields of public administration
1
355 - Military science
1
370 - Education
1
511 - General principles of mathematics
1
572 - Biochemistry
1
610 - Medicine & health
1
615 - Pharmacology & therapeutics
1
910 - Geography & travel
1