Classification
000 - Computer science, information & general works
160
001 - Knowledge
20
002 - The book
1
003 - Systems
89
004 - Data processing & computer science
36
005 - Computer programming, programs & data
19
006 - Special computer methods
48
007 - [Unassigned]
1
010 - Bibliography
25
016 - Bibliographies of works on specific subjects
1
020 - Library & information sciences
1
021 - Library relationships
1
025 - Library operations
1
030 - General encyclopedic works
5
033 - Encyclopedias in other Germanic languages
2
036 - Encyclopedias in Spanish & Portuguese
18
040 - [Unassigned]
2
070 - News media, journalism & publishing
54
071 - Newspapers in North America
1
072 - Newspapers in British Isles; in England
2
073 - Newspapers in central Europe; in Germany
1
090 - Manuscripts & rare books
1
100 - Philosophy & psychology
703
101 - Theory of philosophy
1
107 - Education, research & related topics
3
109 - Historical & collected persons treatment
11
110 - Metaphysics
1
111 - Ontology
6
113 - Cosmology
2
120 - Epistemology, causation & humankind
50
121 - Epistemology
2
123 - Determinism & indeterminism
1
126 - The self
2
128 - Humankind
5
130 - Parapsychology & occultism
4
133 - Specific topics in parapsychology & occultism
2
140 - Specific philosophical schools
313
141 - Idealism & related systems
1
142 - Critical philosophy
10
146 - Naturalism & related systems
2
147 - Pantheism & related systems
1
149 - Other philosophical systems
5
150 - Psychology
41
152 - Perception, movement, emotions & drives
2
153 - Mental processes & intelligence
8
155 - Differential & developmental psychology
50
158 - Applied psychology
17
160 - Logic
7
170 - Ethics
360
172 - Political ethics
20
more ...