Classification
302 - Social interaction
508
306 - Culture & institutions
240
343 - Military, tax, trade & industrial law
193
791 - Public performances
61
340 - Law
56
658 - General management
55
070 - News media, journalism & publishing
53
305 - Social groups
48
320 - Political science
48
301 - Sociology & anthropology
40
384 - Communications; telecommunication
31
338 - Production
29
303 - Social processes
25
330 - Economics
25
006 - Special computer methods
22
700 - The arts; fine & decorative arts
21
341 - Law of nations
20
300 - Social sciences
18
659 - Advertising & public relations
17
380 - Commerce, communications & transportation
16
610 - Medicine & health
16
000 - Computer science, information & general works
15
005 - Computer programming, programs & data
15
500 - Natural sciences & mathematics
14
364 - Criminology
13
370 - Education
13
620 - Engineering & allied operations
13
900 - History & geography
13
342 - Constitutional & administrative law
12
621 - Applied physics
12
800 - Literature & rhetoric
12
004 - Data processing & computer science
11
346 - Private law
11
304 - Factors affecting social behavior
10
741 - Drawing & drawings
10
808 - Rhetoric & collections of literature
10
381 - Commerce
9
809 - History, description & criticism
9
150 - Psychology
8
333 - Economics of land & energy
8
100 - Philosophy & psychology
7
600 - Technology
7
140 - Specific philosophical schools
6
200 - Religion
6
323 - Civil & political rights
6
345 - Criminal law
6
361 - Social problems & social welfare in general
6
331 - Labor economics
5
363 - Other social problems & services
5
371 - Schools & their activities; special education
5
more ...