Classification
005 - Computer programming, programs & data
1,980
620 - Engineering & allied operations
827
658 - General management
543
500 - Natural sciences & mathematics
451
331 - Labor economics
386
000 - Computer science, information & general works
343
745 - Decorative arts
239
006 - Special computer methods
219
004 - Data processing & computer science
204
330 - Economics
141
384 - Communications; telecommunication
80
510 - Mathematics
56
600 - Technology
51
302 - Social interaction
47
519 - Probabilities & applied mathematics
39
338 - Production
36
374 - Adult education
35
381 - Commerce
27
003 - Systems
23
518 - Numerical analysis
19
300 - Social sciences
17
364 - Criminology
16
332 - Financial economics
15
621 - Applied physics
15
001 - Knowledge
14
650 - Management & auxiliary services
13
670 - Manufacturing
13
794 - Indoor games of skill
12
515 - Analysis
9
770 - Photography, photographs & computer art
9
025 - Library operations
8
512 - Algebra
8
629 - Other branches of engineering
8
303 - Social processes
6
516 - Geometry
6
570 - Life sciences; biology
6
910 - Geography & travel
6
011 - Bibliographies
5
346 - Private law
5
153 - Mental processes & intelligence
4
380 - Commerce, communications & transportation
4
530 - Physics
4
610 - Medicine & health
4
651 - Office services
4
813 - American fiction in English
4
368 - Insurance
3
371 - Schools & their activities; special education
3
541 - Physical chemistry
3
741 - Drawing & drawings
3
158 - Applied psychology
2
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