Classification
005 - Computer programming, programs & data
004 - Data processing & computer science
156
500 - Natural sciences & mathematics
16
003 - Systems
10
302 - Social interaction
3
620 - Engineering & allied operations
3
658 - General management
3
745 - Decorative arts
3
001 - Knowledge
2
374 - Adult education
2
301 - Sociology & anthropology
1
330 - Economics
1
331 - Labor economics
1
364 - Criminology
1
371 - Schools & their activities; special education
1
384 - Communications; telecommunication
1
519 - Probabilities & applied mathematics
1
670 - Manufacturing
1