Classification
330 - Economics
170
658 - General management
128
005 - Computer programming, programs & data
60
320 - Political science
54
338 - Production
44
300 - Social sciences
43
900 - History & geography
43
331 - Labor economics
41
500 - Natural sciences & mathematics
41
302 - Social interaction
33
327 - International relations
32
006 - Special computer methods
31
616 - Diseases
30
000 - Computer science, information & general works
27
004 - Data processing & computer science
26
620 - Engineering & allied operations
25
650 - Management & auxiliary services
25
820 - English & Old English literatures
25
301 - Sociology & anthropology
24
332 - Financial economics
24
333 - Economics of land & energy
22
306 - Culture & institutions
20
610 - Medicine & health
20
381 - Commerce
19
745 - Decorative arts
19
930 - History of ancient world to ca. 499
19
304 - Factors affecting social behavior
17
305 - Social groups
16
380 - Commerce, communications & transportation
16
384 - Communications; telecommunication
15
520 - Astronomy & allied sciences
14
370 - Education
13
576 - Genetics & evolution
13
600 - Technology
13
670 - Manufacturing
13
158 - Applied psychology
12
363 - Other social problems & services
12
303 - Social processes
10
621 - Applied physics
10
700 - The arts; fine & decorative arts
10
519 - Probabilities & applied mathematics
9
809 - History, description & criticism
9
571 - Physiology & related subjects
8
590 - Animals (Zoology)
8
337 - International economics
7
530 - Physics
7
551 - Geology, hydrology & meteorology
7
629 - Other branches of engineering
7
770 - Photography, photographs & computer art
7
794 - Indoor games of skill
7
more ...