Classification
302 - Social interaction
253
380 - Commerce, communications & transportation
178
320 - Political science
91
301 - Sociology & anthropology
80
300 - Social sciences
70
070 - News media, journalism & publishing
55
410 - Linguistics
44
306 - Culture & institutions
39
400 - Language
36
000 - Computer science, information & general works
34
700 - The arts; fine & decorative arts
32
370 - Education
31
900 - History & geography
22
658 - General management
20
100 - Philosophy & psychology
19
330 - Economics
19
384 - Communications; telecommunication
17
600 - Technology
15
800 - Literature & rhetoric
15
153 - Mental processes & intelligence
12
414 - Phonology & phonetics
11
340 - Law
10
610 - Medicine & health
10
140 - Specific philosophical schools
9
150 - Psychology
8
305 - Social groups
8
333 - Economics of land & energy
5
363 - Other social problems & services
5
401 - Philosophy & theory
5
551 - Geology, hydrology & meteorology
5
577 - Ecology
5
621 - Applied physics
5
155 - Differential & developmental psychology
4
170 - Ethics
4
200 - Religion
4
343 - Military, tax, trade & industrial law
4
617 - Surgery & related medical specialties
4
791 - Public performances
4
327 - International relations
3
371 - Schools & their activities; special education
3
419 - Sign languages
3
780 - Music
3
808 - Rhetoric & collections of literature
3
025 - Library operations
2
158 - Applied psychology
2
303 - Social processes
2
342 - Constitutional & administrative law
2
347 - Civil procedure & courts
2
355 - Military science
2
360 - Social problems & services; associations
2
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