Classification
005 - Computer programming, programs & data
2,315
000 - Computer science, information & general works
749
331 - Labor economics
535
500 - Natural sciences & mathematics
510
006 - Special computer methods
456
004 - Data processing & computer science
398
620 - Engineering & allied operations
391
658 - General management
338
745 - Decorative arts
316
384 - Communications; telecommunication
129
330 - Economics
117
302 - Social interaction
72
600 - Technology
50
381 - Commerce
48
374 - Adult education
43
338 - Production
41
794 - Indoor games of skill
27
332 - Financial economics
23
300 - Social sciences
15
670 - Manufacturing
15
621 - Applied physics
12
001 - Knowledge
11
153 - Mental processes & intelligence
10
380 - Commerce, communications & transportation
9
519 - Probabilities & applied mathematics
8
629 - Other branches of engineering
8
650 - Management & auxiliary services
5
011 - Bibliographies
4
510 - Mathematics
4
025 - Library operations
3
651 - Office services
3
741 - Drawing & drawings
3
770 - Photography, photographs & computer art
3
158 - Applied psychology
2
303 - Social processes
2
610 - Medicine & health
2
659 - Advertising & public relations
2
016 - Bibliographies of works on specific subjects
1
200 - Religion
1
306 - Culture & institutions
1
364 - Criminology
1
370 - Education
1
371 - Schools & their activities; special education
1
410 - Linguistics
1
435 - German grammar
1
607 - Education, research & related topics
1
617 - Surgery & related medical specialties
1
641 - Food & drink
1
771 - Techniques, equipment & materials
1
791 - Public performances
1
more ...