Classification
005 - Computer programming, programs & data
114
000 - Computer science, information & general works
51
006 - Special computer methods
36
658 - General management
34
500 - Natural sciences & mathematics
25
331 - Labor economics
18
004 - Data processing & computer science
14
620 - Engineering & allied operations
14
745 - Decorative arts
13
330 - Economics
10
519 - Probabilities & applied mathematics
8
338 - Production
6
001 - Knowledge
3
158 - Applied psychology
3
300 - Social sciences
3
302 - Social interaction
3
332 - Financial economics
3
570 - Life sciences; biology
3
600 - Technology
3
650 - Management & auxiliary services
3
384 - Communications; telecommunication
2
794 - Indoor games of skill
2
003 - Systems
1
153 - Mental processes & intelligence
1
363 - Other social problems & services
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
510 - Mathematics
1
610 - Medicine & health
1
613 - Personal health & safety
1
629 - Other branches of engineering
1
641 - Food & drink
1
700 - The arts; fine & decorative arts
1
781 - General principles & musical forms
1
910 - Geography & travel
1