Classification
658 - General management
330 - Economics
10
000 - Computer science, information & general works
8
610 - Medicine & health
8
700 - The arts; fine & decorative arts
8
500 - Natural sciences & mathematics
6
300 - Social sciences
5
331 - Labor economics
5
363 - Other social problems & services
5
670 - Manufacturing
5
140 - Specific philosophical schools
4
302 - Social interaction
4
338 - Production
4
380 - Commerce, communications & transportation
4
600 - Technology
4
001 - Knowledge
3
333 - Economics of land & energy
3
153 - Mental processes & intelligence
2
303 - Social processes
2
370 - Education
2
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
620 - Engineering & allied operations
2
005 - Computer programming, programs & data
1
011 - Bibliographies
1
301 - Sociology & anthropology
1
320 - Political science
1
353 - Specific fields of public administration
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
384 - Communications; telecommunication
1
520 - Astronomy & allied sciences
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
720 - Architecture
1
800 - Literature & rhetoric
1