Classification
004 - Data processing & computer science
351
005 - Computer programming, programs & data
328
500 - Natural sciences & mathematics
126
620 - Engineering & allied operations
99
000 - Computer science, information & general works
98
384 - Communications; telecommunication
65
006 - Special computer methods
61
745 - Decorative arts
61
331 - Labor economics
46
621 - Applied physics
39
658 - General management
27
794 - Indoor games of skill
17
330 - Economics
12
302 - Social interaction
11
338 - Production
8
381 - Commerce
5
600 - Technology
5
364 - Criminology
4
770 - Photography, photographs & computer art
4
300 - Social sciences
3
323 - Civil & political rights
2
363 - Other social problems & services
2
610 - Medicine & health
2
651 - Office services
2
700 - The arts; fine & decorative arts
2
001 - Knowledge
1
011 - Bibliographies
1
025 - Library operations
1
070 - News media, journalism & publishing
1
140 - Specific philosophical schools
1
158 - Applied psychology
1
370 - Education
1
371 - Schools & their activities; special education
1
374 - Adult education
1
400 - Language
1
435 - German grammar
1
526 - Mathematical geography
1
540 - Chemistry & allied sciences
1
629 - Other branches of engineering
1
650 - Management & auxiliary services
1
670 - Manufacturing
1