Classification
500 - Natural sciences & mathematics
300 - Social sciences
17
302 - Social interaction
17
658 - General management
17
330 - Economics
16
670 - Manufacturing
14
338 - Production
4
000 - Computer science, information & general works
1
004 - Data processing & computer science
1
100 - Philosophy & psychology
1
150 - Psychology
1
158 - Applied psychology
1
331 - Labor economics
1
362 - Social welfare problems & services
1
363 - Other social problems & services
1
368 - Insurance
1
370 - Education
1
384 - Communications; telecommunication
1
540 - Chemistry & allied sciences
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
650 - Management & auxiliary services
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1