Classification
005 - Computer programming, programs & data
004 - Data processing & computer science
538
331 - Labor economics
261
500 - Natural sciences & mathematics
207
658 - General management
174
374 - Adult education
160
330 - Economics
148
620 - Engineering & allied operations
123
745 - Decorative arts
89
384 - Communications; telecommunication
64
003 - Systems
61
323 - Civil & political rights
27
001 - Knowledge
15
302 - Social interaction
12
381 - Commerce
12
519 - Probabilities & applied mathematics
12
332 - Financial economics
11
364 - Criminology
11
600 - Technology
10
300 - Social sciences
7
510 - Mathematics
7
338 - Production
6
006 - Special computer methods
5
153 - Mental processes & intelligence
5
700 - The arts; fine & decorative arts
5
621 - Applied physics
4
650 - Management & auxiliary services
4
670 - Manufacturing
3
368 - Insurance
2
770 - Photography, photographs & computer art
2
025 - Library operations
1
371 - Schools & their activities; special education
1
741 - Drawing & drawings
1