Classification
500 - Natural sciences & mathematics
19
004 - Data processing & computer science
10
000 - Computer science, information & general works
5
005 - Computer programming, programs & data
5
519 - Probabilities & applied mathematics
5
003 - Systems
4
331 - Labor economics
3
620 - Engineering & allied operations
3
745 - Decorative arts
3
006 - Special computer methods
2
510 - Mathematics
1
658 - General management
1
800 - Literature & rhetoric
1