Classification
005 - Computer programming, programs & data
51
004 - Data processing & computer science
37
658 - General management
28
330 - Economics
23
620 - Engineering & allied operations
23
006 - Special computer methods
12
306 - Culture & institutions
10
320 - Political science
10
340 - Law
10
900 - History & geography
10
650 - Management & auxiliary services
9
519 - Probabilities & applied mathematics
8
616 - Diseases
8
305 - Social groups
7
510 - Mathematics
7
610 - Medicine & health
6
621 - Applied physics
6
657 - Accounting
6
301 - Sociology & anthropology
5
512 - Algebra
5
518 - Numerical analysis
5
830 - Literatures of Germanic languages
5
003 - Systems
4
374 - Adult education
4
511 - General principles of mathematics
4
537 - Electricity & electronics
4
000 - Computer science, information & general works
3
300 - Social sciences
3
332 - Financial economics
3
338 - Production
3
347 - Civil procedure & courts
3
361 - Social problems & social welfare in general
3
363 - Other social problems & services
3
370 - Education
3
515 - Analysis
3
530 - Physics
3
535 - Light & infrared & ultraviolet phenomena
3
617 - Surgery & related medical specialties
3
670 - Manufacturing
3
158 - Applied psychology
2
174 - Occupational ethics
2
302 - Social interaction
2
303 - Social processes
2
304 - Factors affecting social behavior
2
336 - Public finance
2
337 - International economics
2
346 - Private law
2
371 - Schools & their activities; special education
2
379 - Public policy issues in education
2
380 - Commerce, communications & transportation
2
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