Classification
320 - Political science
3,421
330 - Economics
3,380
340 - Law
480
900 - History & geography
460
300 - Social sciences
177
620 - Engineering & allied operations
166
700 - The arts; fine & decorative arts
127
629 - Other branches of engineering
111
820 - English & Old English literatures
106
520 - Astronomy & allied sciences
83
200 - Religion
65
630 - Agriculture & related technologies
65
610 - Medicine & health
52
006 - Special computer methods
45
576 - Genetics & evolution
44
621 - Applied physics
44
658 - General management
42
531 - Classical mechanics; solid mechanics
35
333 - Economics of land & energy
32
600 - Technology
32
000 - Computer science, information & general works
31
370 - Education
31
800 - Literature & rhetoric
28
306 - Culture & institutions
27
004 - Data processing & computer science
26
338 - Production
23
530 - Physics
22
616 - Diseases
22
745 - Decorative arts
22
005 - Computer programming, programs & data
21
500 - Natural sciences & mathematics
21
331 - Labor economics
20
590 - Animals (Zoology)
18
170 - Ethics
17
363 - Other social problems & services
17
571 - Physiology & related subjects
17
302 - Social interaction
16
650 - Management & auxiliary services
16
380 - Commerce, communications & transportation
15
518 - Numerical analysis
14
720 - Architecture
14
140 - Specific philosophical schools
13
301 - Sociology & anthropology
13
371 - Schools & their activities; special education
13
580 - Plants (Botany)
13
741 - Drawing & drawings
13
617 - Surgery & related medical specialties
12
003 - Systems
11
230 - Christianity & Christian theology
11
250 - Christian orders & local church
11
more ...