Classification
000 - Computer science, information & general works
97
001 - Knowledge
20
003 - Systems
84
004 - Data processing & computer science
237
005 - Computer programming, programs & data
480
006 - Special computer methods
695
007 - [Unassigned]
3
014 - Bibliographies of anonymous & pseudonymous works
1
020 - Library & information sciences
1
025 - Library operations
18
030 - General encyclopedic works
3
036 - Encyclopedias in Spanish & Portuguese
6
037 - Encyclopedias in Slavic languages
1
040 - [Unassigned]
84
053 - Serials in other Germanic languages
1
057 - Serials in Slavic languages
5
061 - Organizations in North America
19
062 - Organizations in British Isles; in England
5
063 - Organizations in central Europe; in Germany
1
070 - News media, journalism & publishing
3
090 - Manuscripts & rare books
1
100 - Philosophy & psychology
1
109 - Historical & collected persons treatment
2
110 - Metaphysics
2
113 - Cosmology
1
128 - Humankind
6
140 - Specific philosophical schools
2
149 - Other philosophical systems
2
150 - Psychology
13
152 - Perception, movement, emotions & drives
2
153 - Mental processes & intelligence
5
155 - Differential & developmental psychology
17
158 - Applied psychology
7
160 - Logic
3
170 - Ethics
7
174 - Occupational ethics
6
200 - Religion
1
201 - Religious mythology & social theology
1
210 - Philosophy & theory of religion
1
230 - Christianity & Christian theology
1
254 - Parish administration
1
264 - Public worship
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
43
301 - Sociology & anthropology
15
302 - Social interaction
18
303 - Social processes
9
304 - Factors affecting social behavior
92
305 - Social groups
26
306 - Culture & institutions
63
more ...