Classification
330 - Economics
380 - Commerce, communications & transportation
500 - Natural sciences & mathematics
658 - General management
384 - Communications; telecommunication
63
300 - Social sciences
59
302 - Social interaction
58
670 - Manufacturing
58
331 - Labor economics
8
338 - Production
6
381 - Commerce
6
808 - Rhetoric & collections of literature
5
303 - Social processes
4
153 - Mental processes & intelligence
3
000 - Computer science, information & general works
2
006 - Special computer methods
2
158 - Applied psychology
2
650 - Management & auxiliary services
2
001 - Knowledge
1
140 - Specific philosophical schools
1
150 - Psychology
1
155 - Differential & developmental psychology
1
340 - Law
1
530 - Physics
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1