Classification
418 - Standard usage & applied linguistics
358
808 - Rhetoric & collections of literature
235
401 - Philosophy & theory
146
149 - Other philosophical systems
113
400 - Language
107
410 - Linguistics
88
306 - Culture & institutions
58
160 - Logic
43
501 - Philosophy & theory
40
370 - Education
38
100 - Philosophy & psychology
30
330 - Economics
30
320 - Political science
29
430 - Germanic languages; German
29
407 - Education, research & related topics
26
170 - Ethics
23
490 - Other languages
21
120 - Epistemology, causation & humankind
18
415 - Grammar
17
417 - Dialectology & historical linguistics
17
142 - Critical philosophy
16
121 - Epistemology
15
153 - Mental processes & intelligence
15
340 - Law
13
128 - Humankind
12
111 - Ontology
11
300 - Social sciences
11
302 - Social interaction
11
374 - Adult education
11
404 - Special topics
11
900 - History & geography
11
109 - Historical & collected persons treatment
10
414 - Phonology & phonetics
9
420 - English & Old English
9
700 - The arts; fine & decorative arts
9
005 - Computer programming, programs & data
8
006 - Special computer methods
8
110 - Metaphysics
8
190 - Modern western philosophy
8
192 - Philosophy of British Isles
8
371 - Schools & their activities; special education
8
379 - Public policy issues in education
8
610 - Medicine & health
8
800 - Literature & rhetoric
8
809 - History, description & criticism
7
333 - Economics of land & energy
6
616 - Diseases
6
004 - Data processing & computer science
5
140 - Specific philosophical schools
5
150 - Psychology
5
more ...