Classification
340 - Law
174
600 - Technology
84
330 - Economics
75
620 - Engineering & allied operations
69
900 - History & geography
66
700 - The arts; fine & decorative arts
58
333 - Economics of land & energy
53
000 - Computer science, information & general works
39
658 - General management
26
380 - Commerce, communications & transportation
25
363 - Other social problems & services
22
580 - Plants (Botany)
17
610 - Medicine & health
17
320 - Political science
15
140 - Specific philosophical schools
14
576 - Genetics & evolution
12
720 - Architecture
12
332 - Financial economics
7
500 - Natural sciences & mathematics
7
551 - Geology, hydrology & meteorology
7
331 - Labor economics
6
630 - Agriculture & related technologies
6
370 - Education
5
414 - Phonology & phonetics
4
530 - Physics
4
540 - Chemistry & allied sciences
4
170 - Ethics
3
300 - Social sciences
3
304 - Factors affecting social behavior
3
400 - Language
3
158 - Applied psychology
2
338 - Production
2
364 - Criminology
2
550 - Earth sciences
2
581 - Specific topics in natural history
2
612 - Human physiology
2
650 - Management & auxiliary services
2
657 - Accounting
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
153 - Mental processes & intelligence
1
297 - Islam, Babism & Bahai Faith
1
302 - Social interaction
1
341 - Law of nations
1
342 - Constitutional & administrative law
1
346 - Private law
1
361 - Social problems & social welfare in general
1
368 - Insurance
1
381 - Commerce
1
more ...