Classification
000 - Computer science, information & general works
72
001 - Knowledge
2
005 - Computer programming, programs & data
9
006 - Special computer methods
2
020 - Library & information sciences
2
025 - Library operations
1
100 - Philosophy & psychology
32
111 - Ontology
1
120 - Epistemology, causation & humankind
7
121 - Epistemology
2
140 - Specific philosophical schools
48
150 - Psychology
1
153 - Mental processes & intelligence
1
158 - Applied psychology
3
160 - Logic
1
170 - Ethics
12
172 - Political ethics
1
190 - Modern western philosophy
1
200 - Religion
10
220 - Bible
2
230 - Christianity & Christian theology
5
250 - Christian orders & local church
6
260 - Social & ecclesiastical theology
7
262 - Ecclesiology
1
270 - History of Christianity & Christian church
3
280 - Christian denominations & sects
7
297 - Islam, Babism & Bahai Faith
2
300 - Social sciences
57
301 - Sociology & anthropology
5
302 - Social interaction
2
303 - Social processes
1
304 - Factors affecting social behavior
8
305 - Social groups
4
307 - Communities
3
320 - Political science
502
321 - Systems of governments & states
1
323 - Civil & political rights
1
327 - International relations
1
328 - The legislative process
2
330 - Economics
785
331 - Labor economics
4
333 - Economics of land & energy
80
336 - Public finance
1
338 - Production
5
339 - Macroeconomics & related topics
2
340 - Law
431
341 - Law of nations
1
342 - Constitutional & administrative law
4
343 - Military, tax, trade & industrial law
5
344 - Labor, social, education & cultural law
2
more ...