Classification
650 - Management & auxiliary services
658 - General management
235
330 - Economics
82
331 - Labor economics
44
005 - Computer programming, programs & data
41
338 - Production
20
500 - Natural sciences & mathematics
19
158 - Applied psychology
17
381 - Commerce
17
302 - Social interaction
16
006 - Special computer methods
10
004 - Data processing & computer science
9
153 - Mental processes & intelligence
8
000 - Computer science, information & general works
6
300 - Social sciences
6
620 - Engineering & allied operations
6
670 - Manufacturing
6
384 - Communications; telecommunication
5
745 - Decorative arts
2
020 - Library & information sciences
1
155 - Differential & developmental psychology
1
306 - Culture & institutions
1
374 - Adult education
1
510 - Mathematics
1
600 - Technology
1