Classification
000 - Computer science, information & general works
41
001 - Knowledge
25
003 - Systems
341
004 - Data processing & computer science
210
005 - Computer programming, programs & data
132
006 - Special computer methods
316
020 - Library & information sciences
1
025 - Library operations
2
050 - General serial publications
2
100 - Philosophy & psychology
4
120 - Epistemology, causation & humankind
2
128 - Humankind
3
140 - Specific philosophical schools
8
142 - Critical philosophy
1
150 - Psychology
6
153 - Mental processes & intelligence
4
155 - Differential & developmental psychology
7
158 - Applied psychology
1
160 - Logic
1
300 - Social sciences
32
301 - Sociology & anthropology
8
302 - Social interaction
5
303 - Social processes
7
304 - Factors affecting social behavior
7
306 - Culture & institutions
4
307 - Communities
3
320 - Political science
1
324 - The political process
1
327 - International relations
1
330 - Economics
87
331 - Labor economics
9
332 - Financial economics
5
333 - Economics of land & energy
28
336 - Public finance
1
338 - Production
16
339 - Macroeconomics & related topics
2
340 - Law
8
351 - Public administration
1
361 - Social problems & social welfare in general
2
363 - Other social problems & services
10
364 - Criminology
1
368 - Insurance
1
370 - Education
4
371 - Schools & their activities; special education
4
380 - Commerce, communications & transportation
8
381 - Commerce
2
384 - Communications; telecommunication
6
400 - Language
1
401 - Philosophy & theory
3
410 - Linguistics
2
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