Classification
003 - Systems
2
004 - Data processing & computer science
5
005 - Computer programming, programs & data
7
006 - Special computer methods
7
030 - General encyclopedic works
1
070 - News media, journalism & publishing
1
100 - Philosophy & psychology
30
109 - Historical & collected persons treatment
10
110 - Metaphysics
8
111 - Ontology
11
120 - Epistemology, causation & humankind
18
121 - Epistemology
14
126 - The self
3
128 - Humankind
12
140 - Specific philosophical schools
4
142 - Critical philosophy
16
144 - Humanism & related systems
1
146 - Naturalism & related systems
3
149 - Other philosophical systems
110
150 - Psychology
5
153 - Mental processes & intelligence
15
155 - Differential & developmental psychology
2
160 - Logic
43
170 - Ethics
23
177 - Ethics of social relations
1
179 - Other ethical norms
1
180 - Ancient, medieval & eastern philosophy
2
184 - Platonic philosophy
2
189 - Medieval western philosophy
1
190 - Modern western philosophy
8
192 - Philosophy of British Isles
8
193 - Philosophy of Germany & Austria
2
199 - Philosophy in other geographic areas
1
200 - Religion
5
210 - Philosophy & theory of religion
1
211 - Concepts of God
1
220 - Bible
2
230 - Christianity & Christian theology
1
261 - Social theology
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
9
301 - Sociology & anthropology
5
302 - Social interaction
10
303 - Social processes
4
304 - Factors affecting social behavior
4
306 - Culture & institutions
55
320 - Political science
26
323 - Civil & political rights
1
330 - Economics
29
331 - Labor economics
1
more ...