Classification
500 - Natural sciences & mathematics
000 - Computer science, information & general works
21
620 - Engineering & allied operations
20
658 - General management
16
331 - Labor economics
11
330 - Economics
7
004 - Data processing & computer science
6
384 - Communications; telecommunication
6
005 - Computer programming, programs & data
4
510 - Mathematics
3
003 - Systems
2
025 - Library operations
2
745 - Decorative arts
2
006 - Special computer methods
1
300 - Social sciences
1
302 - Social interaction
1
338 - Production
1
519 - Probabilities & applied mathematics
1
621 - Applied physics
1
650 - Management & auxiliary services
1
670 - Manufacturing
1