Classification
000 - Computer science, information & general works
466
001 - Knowledge
22
003 - Systems
39
004 - Data processing & computer science
918
005 - Computer programming, programs & data
1,841
006 - Special computer methods
259
011 - Bibliographies
9
020 - Library & information sciences
2
025 - Library operations
5
033 - Encyclopedias in other Germanic languages
1
040 - [Unassigned]
26
046 - [Unassigned]
2
052 - Serials in English
1
060 - General organizations & museum science
1
061 - Organizations in North America
2
100 - Philosophy & psychology
7
120 - Epistemology, causation & humankind
1
130 - Parapsychology & occultism
1
140 - Specific philosophical schools
11
150 - Psychology
5
153 - Mental processes & intelligence
16
158 - Applied psychology
4
170 - Ethics
10
174 - Occupational ethics
7
200 - Religion
3
240 - Christian moral & devotional theology
2
250 - Christian orders & local church
1
260 - Social & ecclesiastical theology
2
270 - History of Christianity & Christian church
7
280 - Christian denominations & sects
4
297 - Islam, Babism & Bahai Faith
2
300 - Social sciences
82
301 - Sociology & anthropology
4
302 - Social interaction
64
303 - Social processes
10
304 - Factors affecting social behavior
29
305 - Social groups
2
306 - Culture & institutions
5
320 - Political science
88
321 - Systems of governments & states
1
323 - Civil & political rights
1
330 - Economics
422
331 - Labor economics
948
332 - Financial economics
34
333 - Economics of land & energy
94
336 - Public finance
5
338 - Production
62
339 - Macroeconomics & related topics
4
340 - Law
98
341 - Law of nations
7
more ...