Classification
000 - Computer science, information & general works
44
001 - Knowledge
2
004 - Data processing & computer science
9
005 - Computer programming, programs & data
2
006 - Special computer methods
6
025 - Library operations
1
100 - Philosophy & psychology
119
107 - Education, research & related topics
1
109 - Historical & collected persons treatment
8
110 - Metaphysics
22
111 - Ontology
83
115 - Time
1
120 - Epistemology, causation & humankind
33
121 - Epistemology
4
126 - The self
2
128 - Humankind
6
140 - Specific philosophical schools
40
142 - Critical philosophy
36
146 - Naturalism & related systems
1
149 - Other philosophical systems
9
160 - Logic
13
161 - Induction
1
170 - Ethics
37
174 - Occupational ethics
2
180 - Ancient, medieval & eastern philosophy
3
184 - Platonic philosophy
1
185 - Aristotelian philosophy
1
189 - Medieval western philosophy
1
190 - Modern western philosophy
5
193 - Philosophy of Germany & Austria
3
194 - Philosophy of France
2
195 - Philosophy of Italy
1
199 - Philosophy in other geographic areas
1
200 - Religion
33
210 - Philosophy & theory of religion
4
211 - Concepts of God
1
212 - Existence, knowability & attributes of God
3
230 - Christianity & Christian theology
8
296 - Judaism
7
297 - Islam, Babism & Bahai Faith
3
300 - Social sciences
12
301 - Sociology & anthropology
21
302 - Social interaction
1
304 - Factors affecting social behavior
5
305 - Social groups
1
320 - Political science
33
330 - Economics
18
331 - Labor economics
4
333 - Economics of land & energy
30
338 - Production
2
more ...