Classification
340 - Law
284
330 - Economics
235
332 - Financial economics
188
700 - The arts; fine & decorative arts
139
000 - Computer science, information & general works
130
610 - Medicine & health
93
333 - Economics of land & energy
91
320 - Political science
77
600 - Technology
76
140 - Specific philosophical schools
75
363 - Other social problems & services
68
658 - General management
60
900 - History & geography
60
620 - Engineering & allied operations
59
006 - Special computer methods
53
100 - Philosophy & psychology
49
380 - Commerce, communications & transportation
49
370 - Education
44
500 - Natural sciences & mathematics
43
338 - Production
41
547 - Organic chemistry
41
745 - Decorative arts
37
580 - Plants (Botany)
35
615 - Pharmacology & therapeutics
34
302 - Social interaction
31
576 - Genetics & evolution
30
551 - Geology, hydrology & meteorology
29
300 - Social sciences
26
400 - Language
24
304 - Factors affecting social behavior
21
668 - Technology of other organic products
21
540 - Chemistry & allied sciences
20
541 - Physical chemistry
17
800 - Literature & rhetoric
17
301 - Sociology & anthropology
16
384 - Communications; telecommunication
16
581 - Specific topics in natural history
16
574 - [Unassigned]
15
660 - Chemical engineering
15
720 - Architecture
15
530 - Physics
14
616 - Diseases
13
628 - Sanitary & municipal engineering
13
632 - Plant injuries, diseases & pests
13
361 - Social problems & social welfare in general
12
410 - Linguistics
12
612 - Human physiology
12
170 - Ethics
11
200 - Religion
10
664 - Food technology
10
more ...