Classification
658 - General management
298
381 - Commerce
294
005 - Computer programming, programs & data
244
330 - Economics
218
004 - Data processing & computer science
174
006 - Special computer methods
102
302 - Social interaction
45
338 - Production
44
331 - Labor economics
43
303 - Social processes
32
600 - Technology
29
621 - Applied physics
29
659 - Advertising & public relations
26
000 - Computer science, information & general works
23
003 - Systems
22
333 - Economics of land & energy
22
380 - Commerce, communications & transportation
20
025 - Library operations
19
620 - Engineering & allied operations
19
650 - Management & auxiliary services
19
700 - The arts; fine & decorative arts
16
670 - Manufacturing
14
500 - Natural sciences & mathematics
13
610 - Medicine & health
13
320 - Political science
11
140 - Specific philosophical schools
9
363 - Other social problems & services
9
332 - Financial economics
8
340 - Law
8
384 - Communications; telecommunication
8
576 - Genetics & evolution
8
343 - Military, tax, trade & industrial law
6
370 - Education
5
300 - Social sciences
4
371 - Schools & their activities; special education
4
630 - Agriculture & related technologies
4
900 - History & geography
4
346 - Private law
3
518 - Numerical analysis
3
519 - Probabilities & applied mathematics
3
720 - Architecture
3
745 - Decorative arts
3
800 - Literature & rhetoric
3
011 - Bibliographies
2
155 - Differential & developmental psychology
2
174 - Occupational ethics
2
336 - Public finance
2
339 - Macroeconomics & related topics
2
361 - Social problems & social welfare in general
2
530 - Physics
2
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