Classification
621 - Applied physics
57
658 - General management
31
340 - Law
26
006 - Special computer methods
23
003 - Systems
9
616 - Diseases
7
158 - Applied psychology
6
370 - Education
6
530 - Physics
6
005 - Computer programming, programs & data
5
306 - Culture & institutions
5
320 - Political science
5
338 - Production
5
620 - Engineering & allied operations
5
302 - Social interaction
4
061 - Organizations in North America
3
610 - Medicine & health
3
629 - Other branches of engineering
3
657 - Accounting
3
659 - Advertising & public relations
3
670 - Manufacturing
3
690 - Buildings
3
796 - Athletic & outdoor sports & games
3
001 - Knowledge
2
004 - Data processing & computer science
2
155 - Differential & developmental psychology
2
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
2
305 - Social groups
2
327 - International relations
2
330 - Economics
2
332 - Financial economics
2
345 - Criminal law
2
361 - Social problems & social welfare in general
2
501 - Philosophy & theory
2
510 - Mathematics
2
512 - Algebra
2
519 - Probabilities & applied mathematics
2
602 - Miscellany
2
617 - Surgery & related medical specialties
2
624 - Civil engineering
2
650 - Management & auxiliary services
2
693 - Specific materials & purposes
2
030 - General encyclopedic works
1
150 - Psychology
1
170 - Ethics
1
174 - Occupational ethics
1
300 - Social sciences
1
307 - Communities
1
322 - Relation of state to organized groups
1
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