Classification
000 - Computer science, information & general works
35
001 - Knowledge
1
004 - Data processing & computer science
1
006 - Special computer methods
1
016 - Bibliographies of works on specific subjects
1
020 - Library & information sciences
1
025 - Library operations
2
070 - News media, journalism & publishing
55
100 - Philosophy & psychology
20
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
9
149 - Other philosophical systems
1
150 - Psychology
8
153 - Mental processes & intelligence
12
155 - Differential & developmental psychology
4
158 - Applied psychology
2
160 - Logic
1
170 - Ethics
5
174 - Occupational ethics
1
200 - Religion
5
201 - Religious mythology & social theology
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
70
301 - Sociology & anthropology
79
302 - Social interaction
253
303 - Social processes
2
304 - Factors affecting social behavior
1
305 - Social groups
8
306 - Culture & institutions
39
320 - Political science
95
324 - The political process
1
327 - International relations
3
330 - Economics
20
331 - Labor economics
1
333 - Economics of land & energy
6
335 - Socialism & related systems
1
337 - International economics
1
338 - Production
1
340 - Law
10
342 - Constitutional & administrative law
2
343 - Military, tax, trade & industrial law
4
347 - Civil procedure & courts
2
355 - Military science
2
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
2
363 - Other social problems & services
5
370 - Education
31
371 - Schools & their activities; special education
3
374 - Adult education
1
380 - Commerce, communications & transportation
181
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