Classification
000 - Computer science, information & general works
3
004 - Data processing & computer science
4
005 - Computer programming, programs & data
7
006 - Special computer methods
4
302 - Social interaction
2
303 - Social processes
1
330 - Economics
21
331 - Labor economics
338 - Production
1
381 - Commerce
2
384 - Communications; telecommunication
3
500 - Natural sciences & mathematics
2
620 - Engineering & allied operations
1
650 - Management & auxiliary services
1
658 - General management
10
745 - Decorative arts
1