Classification
500 - Natural sciences & mathematics
004 - Data processing & computer science
40
005 - Computer programming, programs & data
38
620 - Engineering & allied operations
32
384 - Communications; telecommunication
24
331 - Labor economics
20
658 - General management
13
302 - Social interaction
9
006 - Special computer methods
8
330 - Economics
8
300 - Social sciences
7
670 - Manufacturing
6
745 - Decorative arts
6
000 - Computer science, information & general works
3
364 - Criminology
3
381 - Commerce
3
621 - Applied physics
3
303 - Social processes
2
363 - Other social problems & services
2
011 - Bibliographies
1
338 - Production
1
651 - Office services
1