Classification
001 - Knowledge
1
003 - Systems
10
004 - Data processing & computer science
102
005 - Computer programming, programs & data
99
006 - Special computer methods
87
025 - Library operations
1
040 - [Unassigned]
2
061 - Organizations in North America
1
062 - Organizations in British Isles; in England
3
070 - News media, journalism & publishing
3
100 - Philosophy & psychology
1
109 - Historical & collected persons treatment
1
121 - Epistemology
1
128 - Humankind
2
150 - Psychology
11
152 - Perception, movement, emotions & drives
1
153 - Mental processes & intelligence
1
155 - Differential & developmental psychology
3
158 - Applied psychology
6
160 - Logic
1
170 - Ethics
2
172 - Political ethics
1
174 - Occupational ethics
1
201 - Religious mythology & social theology
1
210 - Philosophy & theory of religion
1
218 - Humankind
1
261 - Social theology
1
299 - Religions not provided for elsewhere
1
300 - Social sciences
7
301 - Sociology & anthropology
5
302 - Social interaction
8
303 - Social processes
6
304 - Factors affecting social behavior
18
305 - Social groups
11
306 - Culture & institutions
14
307 - Communities
1
320 - Political science
29
321 - Systems of governments & states
2
323 - Civil & political rights
2
324 - The political process
1
327 - International relations
14
330 - Economics
15
332 - Financial economics
12
333 - Economics of land & energy
12
336 - Public finance
1
338 - Production
19
339 - Macroeconomics & related topics
2
340 - Law
2
341 - Law of nations
9
343 - Military, tax, trade & industrial law
6
more ...