Classification
004 - Data processing & computer science
55
005 - Computer programming, programs & data
43
620 - Engineering & allied operations
26
006 - Special computer methods
16
658 - General management
8
610 - Medicine & health
7
629 - Other branches of engineering
7
370 - Education
6
140 - Specific philosophical schools
5
700 - The arts; fine & decorative arts
5
600 - Technology
4
000 - Computer science, information & general works
3
100 - Philosophy & psychology
3
621 - Applied physics
3
302 - Social interaction
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
720 - Architecture
2
740 - Drawing & decorative arts
2
745 - Decorative arts
2
025 - Library operations
1
158 - Applied psychology
1
303 - Social processes
1
307 - Communities
1
330 - Economics
1
338 - Production
1
371 - Schools & their activities; special education
1
400 - Language
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
601 - Philosophy & theory
1
616 - Diseases
1
628 - Sanitary & municipal engineering
1
670 - Manufacturing
1
690 - Buildings
1
794 - Indoor games of skill
1
900 - History & geography
1