Classification
005 - Computer programming, programs & data
185
500 - Natural sciences & mathematics
49
006 - Special computer methods
46
745 - Decorative arts
45
330 - Economics
41
658 - General management
41
000 - Computer science, information & general works
31
331 - Labor economics
31
620 - Engineering & allied operations
25
780 - Music
19
004 - Data processing & computer science
13
320 - Political science
13
384 - Communications; telecommunication
9
333 - Economics of land & energy
8
302 - Social interaction
7
304 - Factors affecting social behavior
7
381 - Commerce
7
610 - Medicine & health
7
600 - Technology
6
621 - Applied physics
6
338 - Production
5
300 - Social sciences
4
332 - Financial economics
4
510 - Mathematics
4
629 - Other branches of engineering
4
670 - Manufacturing
4
001 - Knowledge
3
410 - Linguistics
3
700 - The arts; fine & decorative arts
3
158 - Applied psychology
2
336 - Public finance
2
370 - Education
2
380 - Commerce, communications & transportation
2
400 - Language
2
519 - Probabilities & applied mathematics
2
650 - Management & auxiliary services
2
770 - Photography, photographs & computer art
2
800 - Literature & rhetoric
2
900 - History & geography
2
025 - Library operations
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
153 - Mental processes & intelligence
1
200 - Religion
1
301 - Sociology & anthropology
1
303 - Social processes
1
340 - Law
1
363 - Other social problems & services
1
364 - Criminology
1
512 - Algebra
1
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