Classification
304 - Factors affecting social behavior
9
320 - Political science
8
302 - Social interaction
6
306 - Culture & institutions
6
327 - International relations
5
370 - Education
5
418 - Standard usage & applied linguistics
5
658 - General management
5
305 - Social groups
4
300 - Social sciences
3
070 - News media, journalism & publishing
2
150 - Psychology
2
155 - Differential & developmental psychology
2
301 - Sociology & anthropology
2
378 - Higher education
2
610 - Medicine & health
2
615 - Pharmacology & therapeutics
2
616 - Diseases
2
004 - Data processing & computer science
1
005 - Computer programming, programs & data
1
158 - Applied psychology
1
170 - Ethics
1
180 - Ancient, medieval & eastern philosophy
1
280 - Christian denominations & sects
1
330 - Economics
1
333 - Economics of land & energy
1
336 - Public finance
1
340 - Law
1
343 - Military, tax, trade & industrial law
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
1
379 - Public policy issues in education
1
407 - Education, research & related topics
1
501 - Philosophy & theory
1
515 - Analysis
1
520 - Astronomy & allied sciences
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
578 - Natural history of organisms
1
607 - Education, research & related topics
1
612 - Human physiology
1
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
620 - Engineering & allied operations
1
621 - Applied physics
1
628 - Sanitary & municipal engineering
1
650 - Management & auxiliary services
1
660 - Chemical engineering
1
700 - The arts; fine & decorative arts
1
790 - Recreational & performing arts
1
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