Classification
004 - Data processing & computer science
500 - Natural sciences & mathematics
728
005 - Computer programming, programs & data
688
658 - General management
338
331 - Labor economics
276
621 - Applied physics
251
384 - Communications; telecommunication
139
330 - Economics
100
338 - Production
75
745 - Decorative arts
67
620 - Engineering & allied operations
59
374 - Adult education
48
300 - Social sciences
19
302 - Social interaction
17
510 - Mathematics
17
381 - Commerce
12
670 - Manufacturing
10
332 - Financial economics
9
006 - Special computer methods
7
600 - Technology
7
380 - Commerce, communications & transportation
6
650 - Management & auxiliary services
5
808 - Rhetoric & collections of literature
3
001 - Knowledge
2
158 - Applied psychology
2
170 - Ethics
2
368 - Insurance
2
011 - Bibliographies
1
020 - Library & information sciences
1
153 - Mental processes & intelligence
1
303 - Social processes
1
371 - Schools & their activities; special education
1
629 - Other branches of engineering
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
741 - Drawing & drawings
1
794 - Indoor games of skill
1
800 - Literature & rhetoric
1