Classification
000 - Computer science, information & general works
24
001 - Knowledge
16
002 - The book
1
003 - Systems
23
004 - Data processing & computer science
64
005 - Computer programming, programs & data
196
006 - Special computer methods
162
007 - [Unassigned]
1
014 - Bibliographies of anonymous & pseudonymous works
1
020 - Library & information sciences
1
025 - Library operations
5
030 - General encyclopedic works
1
037 - Encyclopedias in Slavic languages
1
040 - [Unassigned]
10
050 - General serial publications
1
051 - Serials in American English
1
057 - Serials in Slavic languages
2
061 - Organizations in North America
2
062 - Organizations in British Isles; in England
8
065 - Organizations in Italy & adjacent islands
2
070 - News media, journalism & publishing
1
080 - General collections
1
093 - Incunabula
1
100 - Philosophy & psychology
1
109 - Historical & collected persons treatment
1
111 - Ontology
1
113 - Cosmology
1
120 - Epistemology, causation & humankind
1
121 - Epistemology
1
128 - Humankind
3
140 - Specific philosophical schools
1
142 - Critical philosophy
1
150 - Psychology
8
152 - Perception, movement, emotions & drives
4
153 - Mental processes & intelligence
6
155 - Differential & developmental psychology
2
158 - Applied psychology
2
160 - Logic
1
162 - Deduction
1
170 - Ethics
4
174 - Occupational ethics
3
179 - Other ethical norms
1
190 - Modern western philosophy
1
200 - Religion
1
201 - Religious mythology & social theology
1
202 - Doctrines
1
230 - Christianity & Christian theology
1
231 - God
1
262 - Ecclesiology
1
270 - History of Christianity & Christian church
1
more ...