Classification
000 - Computer science, information & general works
9
600 - Technology
9
658 - General management
6
330 - Economics
5
005 - Computer programming, programs & data
4
331 - Labor economics
4
338 - Production
4
500 - Natural sciences & mathematics
4
004 - Data processing & computer science
2
370 - Education
2
025 - Library operations
1
105 - Serial publications
1
140 - Specific philosophical schools
1
300 - Social sciences
1
302 - Social interaction
1
303 - Social processes
1
343 - Military, tax, trade & industrial law
1
363 - Other social problems & services
1
384 - Communications; telecommunication
1
400 - Language
1
401 - Philosophy & theory
1
510 - Mathematics
1
620 - Engineering & allied operations
1
800 - Literature & rhetoric
1
900 - History & geography
1