Classification
302 - Social interaction
301
006 - Special computer methods
294
331 - Labor economics
291
658 - General management
136
330 - Economics
106
381 - Commerce
101
000 - Computer science, information & general works
41
745 - Decorative arts
40
500 - Natural sciences & mathematics
36
338 - Production
32
303 - Social processes
30
384 - Communications; telecommunication
26
659 - Advertising & public relations
25
650 - Management & auxiliary services
17
004 - Data processing & computer science
12
300 - Social sciences
12
380 - Commerce, communications & transportation
12
005 - Computer programming, programs & data
8
620 - Engineering & allied operations
8
670 - Manufacturing
8
158 - Applied psychology
7
600 - Technology
5
700 - The arts; fine & decorative arts
5
320 - Political science
3
370 - Education
3
400 - Language
3
001 - Knowledge
2
025 - Library operations
2
153 - Mental processes & intelligence
2
155 - Differential & developmental psychology
2
332 - Financial economics
2
364 - Criminology
2
520 - Astronomy & allied sciences
2
540 - Chemistry & allied sciences
2
610 - Medicine & health
2
720 - Architecture
2
770 - Photography, photographs & computer art
2
011 - Bibliographies
1
020 - Library & information sciences
1
028 - Reading & use of other information media
1
100 - Philosophy & psychology
1
333 - Economics of land & energy
1
343 - Military, tax, trade & industrial law
1
346 - Private law
1
363 - Other social problems & services
1
570 - Life sciences; biology
1
576 - Genetics & evolution
1
641 - Food & drink
1
780 - Music
1