Classification
658 - General management
592
330 - Economics
258
670 - Manufacturing
109
300 - Social sciences
59
500 - Natural sciences & mathematics
58
302 - Social interaction
49
338 - Production
40
620 - Engineering & allied operations
25
331 - Labor economics
19
000 - Computer science, information & general works
17
381 - Commerce
14
006 - Special computer methods
12
304 - Factors affecting social behavior
12
332 - Financial economics
10
519 - Probabilities & applied mathematics
10
650 - Management & auxiliary services
10
003 - Systems
9
629 - Other branches of engineering
9
153 - Mental processes & intelligence
8
005 - Computer programming, programs & data
7
368 - Insurance
7
001 - Knowledge
6
333 - Economics of land & energy
6
384 - Communications; telecommunication
6
510 - Mathematics
5
621 - Applied physics
5
355 - Military science
3
600 - Technology
3
657 - Accounting
3
004 - Data processing & computer science
2
158 - Applied psychology
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
388 - Transportation; ground transportation
2
624 - Civil engineering
2
011 - Bibliographies
1
051 - Serials in American English
1
062 - Organizations in British Isles; in England
1
174 - Occupational ethics
1
339 - Macroeconomics & related topics
1
352 - General considerations of public administration
1
362 - Social welfare problems & services
1
374 - Adult education
1
382 - International commerce
1
387 - Water, air & space transportation
1
515 - Analysis
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
590 - Animals (Zoology)
1
615 - Pharmacology & therapeutics
1
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