Classification
000 - Computer science, information & general works
55
001 - Knowledge
17
003 - Systems
6
004 - Data processing & computer science
35
005 - Computer programming, programs & data
44
006 - Special computer methods
42
011 - Bibliographies
4
025 - Library operations
1
030 - General encyclopedic works
7
050 - General serial publications
3
070 - News media, journalism & publishing
1
080 - General collections
1
100 - Philosophy & psychology
16
110 - Metaphysics
3
113 - Cosmology
1
120 - Epistemology, causation & humankind
1
126 - The self
1
130 - Parapsychology & occultism
30
133 - Specific topics in parapsychology & occultism
1
140 - Specific philosophical schools
27
142 - Critical philosophy
3
150 - Psychology
4
152 - Perception, movement, emotions & drives
1
153 - Mental processes & intelligence
5
155 - Differential & developmental psychology
6
158 - Applied psychology
11
170 - Ethics
8
174 - Occupational ethics
4
179 - Other ethical norms
2
200 - Religion
11
201 - Religious mythology & social theology
1
210 - Philosophy & theory of religion
1
231 - God
1
233 - Humankind
1
241 - Christian ethics
1
261 - Social theology
2
270 - History of Christianity & Christian church
1
280 - Christian denominations & sects
1
300 - Social sciences
51
301 - Sociology & anthropology
22
302 - Social interaction
17
303 - Social processes
16
304 - Factors affecting social behavior
72
305 - Social groups
8
306 - Culture & institutions
19
307 - Communities
5
320 - Political science
48
321 - Systems of governments & states
1
325 - International migration & colonization
1
327 - International relations
8
more ...