Classification
006 - Special computer methods
330 - Economics
658 - General management
302 - Social interaction
113
331 - Labor economics
113
381 - Commerce
80
338 - Production
49
500 - Natural sciences & mathematics
29
384 - Communications; telecommunication
18
650 - Management & auxiliary services
18
300 - Social sciences
16
670 - Manufacturing
14
659 - Advertising & public relations
12
380 - Commerce, communications & transportation
10
158 - Applied psychology
7
620 - Engineering & allied operations
7
303 - Social processes
6
000 - Computer science, information & general works
5
745 - Decorative arts
5
519 - Probabilities & applied mathematics
3
001 - Knowledge
2
155 - Differential & developmental psychology
2
600 - Technology
2
011 - Bibliographies
1
153 - Mental processes & intelligence
1
332 - Financial economics
1
368 - Insurance
1
510 - Mathematics
1
621 - Applied physics
1
770 - Photography, photographs & computer art
1