Classification
808 - Rhetoric & collections of literature
23
500 - Natural sciences & mathematics
8
620 - Engineering & allied operations
7
005 - Computer programming, programs & data
6
384 - Communications; telecommunication
4
006 - Special computer methods
3
004 - Data processing & computer science
2
330 - Economics
2
000 - Computer science, information & general works
1
001 - Knowledge
1
302 - Social interaction
1
380 - Commerce, communications & transportation
1
501 - Philosophy & theory
1
510 - Mathematics
1
658 - General management
1
745 - Decorative arts
1
794 - Indoor games of skill
1