Classification
004 - Data processing & computer science
177
005 - Computer programming, programs & data
43
006 - Special computer methods
19
621 - Applied physics
14
331 - Labor economics
13
371 - Schools & their activities; special education
13
332 - Financial economics
12
658 - General management
12
339 - Macroeconomics & related topics
11
745 - Decorative arts
11
303 - Social processes
10
500 - Natural sciences & mathematics
10
025 - Library operations
7
620 - Engineering & allied operations
7
330 - Economics
6
384 - Communications; telecommunication
5
338 - Production
4
374 - Adult education
3
650 - Management & auxiliary services
3
300 - Social sciences
2
910 - Geography & travel
2
020 - Library & information sciences
1
381 - Commerce
1
629 - Other branches of engineering
1