Classification
000 - Computer science, information & general works
14,461
001 - Knowledge
3,810
002 - The book
23
003 - Systems
2,914
004 - Data processing & computer science
17,884
005 - Computer programming, programs & data
27,604
006 - Special computer methods
17,744
008 - [Unassigned]
1
010 - Bibliography
986
011 - Bibliographies
478
012 - Bibliographies of individuals
1
014 - Bibliographies of anonymous & pseudonymous works
3
015 - Bibliographies of works from specific places
3
016 - Bibliographies of works on specific subjects
88
017 - General subject catalogs
1
018 - Catalogs arranged by author, date, etc.
2
020 - Library & information sciences
1,054
021 - Library relationships
4
022 - Administration of physical plant
5
023 - Personnel management
4
025 - Library operations
884
026 - Libraries for specific subjects
8
027 - General libraries
34
028 - Reading & use of other information media
29
029 - [Unassigned]
1
030 - General encyclopedic works
243
031 - Encyclopedias in American English
2
040 - [Unassigned]
1
041 - [Unassigned]
3
050 - General serial publications
600
051 - Serials in American English
2
052 - Serials in English
3
055 - Serials in Italian, Romanian & related languages
4
060 - General organizations & museum science
32
063 - Organizations in central Europe; in Germany
1
065 - Organizations in Italy & adjacent islands
1
066 - Organizations in Iberian Peninsula & adjacent islands
1
069 - Museum science
30
070 - News media, journalism & publishing
535
071 - Newspapers in North America
6
072 - Newspapers in British Isles; in England
5
073 - Newspapers in central Europe; in Germany
2
074 - Newspapers in France & Monaco
2
079 - Newspapers in other geographic areas
6
080 - General collections
227
082 - Collections in English
5
083 - Collections in other Germanic languages
3
085 - Collections in Italian, Romanian & related languages
2
086 - Collections in Spanish & Portuguese
1
090 - Manuscripts & rare books
4
more ...