Classification
410 - Linguistics
134
400 - Language
106
306 - Culture & institutions
65
900 - History & geography
53
320 - Political science
47
407 - Education, research & related topics
44
380 - Commerce, communications & transportation
38
700 - The arts; fine & decorative arts
38
418 - Standard usage & applied linguistics
37
370 - Education
34
401 - Philosophy & theory
33
300 - Social sciences
31
414 - Phonology & phonetics
29
301 - Sociology & anthropology
24
000 - Computer science, information & general works
23
800 - Literature & rhetoric
19
302 - Social interaction
16
100 - Philosophy & psychology
15
600 - Technology
14
006 - Special computer methods
12
330 - Economics
12
610 - Medicine & health
12
004 - Data processing & computer science
11
140 - Specific philosophical schools
11
305 - Social groups
11
333 - Economics of land & energy
11
658 - General management
11
808 - Rhetoric & collections of literature
10
005 - Computer programming, programs & data
9
304 - Factors affecting social behavior
9
340 - Law
9
363 - Other social problems & services
9
303 - Social processes
8
327 - International relations
8
361 - Social problems & social welfare in general
8
200 - Religion
6
371 - Schools & their activities; special education
6
581 - Specific topics in natural history
6
620 - Engineering & allied operations
6
003 - Systems
5
364 - Criminology
5
375 - Curricula
5
378 - Higher education
5
415 - Grammar
5
500 - Natural sciences & mathematics
5
170 - Ethics
4
379 - Public policy issues in education
4
384 - Communications; telecommunication
4
491 - East Indo-European & Celtic languages
4
780 - Music
4
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