Classification
401 - Philosophy & theory
141
410 - Linguistics
88
006 - Special computer methods
53
306 - Culture & institutions
46
900 - History & geography
43
700 - The arts; fine & decorative arts
42
004 - Data processing & computer science
40
400 - Language
39
005 - Computer programming, programs & data
31
300 - Social sciences
31
100 - Philosophy & psychology
29
149 - Other philosophical systems
27
370 - Education
26
301 - Sociology & anthropology
25
800 - Literature & rhetoric
25
418 - Standard usage & applied linguistics
23
340 - Law
22
380 - Commerce, communications & transportation
22
302 - Social interaction
21
415 - Grammar
21
320 - Political science
20
160 - Logic
19
510 - Mathematics
17
200 - Religion
15
330 - Economics
15
780 - Music
15
000 - Computer science, information & general works
14
658 - General management
14
791 - Public performances
14
576 - Genetics & evolution
12
140 - Specific philosophical schools
11
304 - Factors affecting social behavior
11
612 - Human physiology
11
616 - Diseases
11
620 - Engineering & allied operations
11
501 - Philosophy & theory
10
621 - Applied physics
10
120 - Epistemology, causation & humankind
9
142 - Critical philosophy
9
303 - Social processes
9
801 - Philosophy & theory
9
333 - Economics of land & energy
8
500 - Natural sciences & mathematics
8
600 - Technology
8
610 - Medicine & health
8
150 - Psychology
7
153 - Mental processes & intelligence
7
363 - Other social problems & services
7
407 - Education, research & related topics
7
570 - Life sciences; biology
7
more ...