Classification
808 - Rhetoric & collections of literature
230
330 - Economics
197
380 - Commerce, communications & transportation
130
900 - History & geography
118
820 - English & Old English literatures
103
800 - Literature & rhetoric
83
384 - Communications; telecommunication
73
400 - Language
71
700 - The arts; fine & decorative arts
69
320 - Political science
63
658 - General management
63
370 - Education
49
410 - Linguistics
37
000 - Computer science, information & general works
36
340 - Law
33
300 - Social sciences
32
500 - Natural sciences & mathematics
32
600 - Technology
32
100 - Philosophy & psychology
30
620 - Engineering & allied operations
30
651 - Office services
23
005 - Computer programming, programs & data
22
610 - Medicine & health
20
302 - Social interaction
18
140 - Specific philosophical schools
17
381 - Commerce
17
333 - Economics of land & energy
13
418 - Standard usage & applied linguistics
12
301 - Sociology & anthropology
11
331 - Labor economics
11
420 - English & Old English
11
070 - News media, journalism & publishing
10
170 - Ethics
10
650 - Management & auxiliary services
10
006 - Special computer methods
9
304 - Factors affecting social behavior
9
519 - Probabilities & applied mathematics
9
540 - Chemistry & allied sciences
9
004 - Data processing & computer science
8
200 - Religion
8
745 - Decorative arts
8
780 - Music
8
791 - Public performances
8
001 - Knowledge
7
338 - Production
7
770 - Photography, photographs & computer art
7
153 - Mental processes & intelligence
6
332 - Financial economics
6
378 - Higher education
6
510 - Mathematics
6
more ...