Classification
001 - Knowledge
49
002 - The book
2
003 - Systems
1,123
004 - Data processing & computer science
2,024
005 - Computer programming, programs & data
3,434
006 - Special computer methods
7,517
007 - [Unassigned]
13
014 - Bibliographies of anonymous & pseudonymous works
5
015 - Bibliographies of works from specific places
1
020 - Library & information sciences
1
025 - Library operations
195
030 - General encyclopedic works
33
033 - Encyclopedias in other Germanic languages
13
036 - Encyclopedias in Spanish & Portuguese
36
037 - Encyclopedias in Slavic languages
3
040 - [Unassigned]
548
046 - [Unassigned]
3
051 - Serials in American English
5
053 - Serials in other Germanic languages
5
054 - Serials in French, Occitan & Catalan
1
057 - Serials in Slavic languages
84
061 - Organizations in North America
201
062 - Organizations in British Isles; in England
188
063 - Organizations in central Europe; in Germany
7
065 - Organizations in Italy & adjacent islands
3
070 - News media, journalism & publishing
11
079 - Newspapers in other geographic areas
2
080 - General collections
2
090 - Manuscripts & rare books
7
100 - Philosophy & psychology
12
107 - Education, research & related topics
1
109 - Historical & collected persons treatment
12
110 - Metaphysics
2
111 - Ontology
7
113 - Cosmology
4
120 - Epistemology, causation & humankind
10
121 - Epistemology
2
126 - The self
2
128 - Humankind
13
140 - Specific philosophical schools
9
141 - Idealism & related systems
1
142 - Critical philosophy
10
146 - Naturalism & related systems
1
149 - Other philosophical systems
8
150 - Psychology
103
152 - Perception, movement, emotions & drives
4
153 - Mental processes & intelligence
31
155 - Differential & developmental psychology
116
158 - Applied psychology
40
160 - Logic
21
more ...