Classification
001 - Knowledge
31
003 - Systems
11
004 - Data processing & computer science
77
005 - Computer programming, programs & data
79
006 - Special computer methods
104
010 - Bibliography
1
020 - Library & information sciences
6
025 - Library operations
17
026 - Libraries for specific subjects
1
027 - General libraries
3
028 - Reading & use of other information media
1
030 - General encyclopedic works
1
066 - Organizations in Iberian Peninsula & adjacent islands
1
070 - News media, journalism & publishing
11
071 - Newspapers in North America
1
100 - Philosophy & psychology
1
110 - Metaphysics
1
111 - Ontology
11
113 - Cosmology
1
114 - Space
1
115 - Time
4
121 - Epistemology
39
122 - Causation
2
123 - Determinism & indeterminism
5
126 - The self
13
128 - Humankind
61
141 - Idealism & related systems
2
142 - Critical philosophy
1
144 - Humanism & related systems
1
146 - Naturalism & related systems
2
149 - Other philosophical systems
6
150 - Psychology
18
152 - Perception, movement, emotions & drives
33
153 - Mental processes & intelligence
115
154 - Subconscious & altered states
7
155 - Differential & developmental psychology
26
156 - Comparative psychology
3
158 - Applied psychology
2
160 - Logic
5
161 - Induction
2
169 - Analogy
3
170 - Ethics
20
171 - Ethical systems
4
172 - Political ethics
2
174 - Occupational ethics
25
175 - Ethics of recreation & leisure
1
176 - Ethics of sex & reproduction
2
178 - Ethics of consumption
1
179 - Other ethical norms
6
181 - Eastern philosophy
1
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