Classification
000 - Computer science, information & general works
1
001 - Knowledge
2
004 - Data processing & computer science
8
005 - Computer programming, programs & data
4
100 - Philosophy & psychology
1
107 - Education, research & related topics
2
150 - Psychology
6
153 - Mental processes & intelligence
1
155 - Differential & developmental psychology
2
158 - Applied psychology
20
170 - Ethics
3
174 - Occupational ethics
5
300 - Social sciences
21
301 - Sociology & anthropology
2
302 - Social interaction
5
303 - Social processes
1
304 - Factors affecting social behavior
3
305 - Social groups
9
306 - Culture & institutions
55
320 - Political science
11
330 - Economics
8
332 - Financial economics
1
333 - Economics of land & energy
1
338 - Production
6
340 - Law
7
341 - Law of nations
2
342 - Constitutional & administrative law
6
346 - Private law
1
350 - Public administration & military science
1
351 - Public administration
3
353 - Specific fields of public administration
1
361 - Social problems & social welfare in general
9
362 - Social welfare problems & services
1
364 - Criminology
2
370 - Education
102
371 - Schools & their activities; special education
210
374 - Adult education
9
375 - Curricula
2
378 - Higher education
58
379 - Public policy issues in education
40
407 - Education, research & related topics
1
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
1
507 - Education, research & related topics
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
547 - Organic chemistry
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
2
610 - Medicine & health
8
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