Classification
000 - Computer science, information & general works
300 - Social sciences
658 - General management
302 - Social interaction
98
331 - Labor economics
58
330 - Economics
30
338 - Production
26
158 - Applied psychology
10
650 - Management & auxiliary services
10
153 - Mental processes & intelligence
6
380 - Commerce, communications & transportation
6
384 - Communications; telecommunication
5
620 - Engineering & allied operations
4
001 - Knowledge
3
150 - Psychology
3
381 - Commerce
3
700 - The arts; fine & decorative arts
3
745 - Decorative arts
3
140 - Specific philosophical schools
2
320 - Political science
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
500 - Natural sciences & mathematics
2
510 - Mathematics
2
670 - Manufacturing
2
170 - Ethics
1
303 - Social processes
1
340 - Law
1
370 - Education
1
519 - Probabilities & applied mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
791 - Public performances
1
800 - Literature & rhetoric
1