Classification
330 - Economics
18
658 - General management
14
000 - Computer science, information & general works
8
338 - Production
6
011 - Bibliographies
5
300 - Social sciences
4
381 - Commerce
4
005 - Computer programming, programs & data
3
331 - Labor economics
3
302 - Social interaction
2
374 - Adult education
2
006 - Special computer methods
1
153 - Mental processes & intelligence
1
158 - Applied psychology
1
322 - Relation of state to organized groups
1
500 - Natural sciences & mathematics
1
621 - Applied physics
1
650 - Management & auxiliary services
1
700 - The arts; fine & decorative arts
1