Classification
330 - Economics
130
370 - Education
110
610 - Medicine & health
102
700 - The arts; fine & decorative arts
53
333 - Economics of land & energy
45
600 - Technology
25
380 - Commerce, communications & transportation
24
140 - Specific philosophical schools
23
363 - Other social problems & services
23
100 - Philosophy & psychology
22
658 - General management
22
900 - History & geography
22
000 - Computer science, information & general works
18
320 - Political science
16
400 - Language
16
620 - Engineering & allied operations
15
300 - Social sciences
13
500 - Natural sciences & mathematics
10
340 - Law
9
580 - Plants (Botany)
8
551 - Geology, hydrology & meteorology
7
170 - Ethics
6
362 - Social welfare problems & services
6
410 - Linguistics
6
800 - Literature & rhetoric
6
304 - Factors affecting social behavior
5
570 - Life sciences; biology
5
576 - Genetics & evolution
5
630 - Agriculture & related technologies
5
780 - Music
5
200 - Religion
4
301 - Sociology & anthropology
4
361 - Social problems & social welfare in general
4
530 - Physics
4
650 - Management & auxiliary services
4
302 - Social interaction
3
331 - Labor economics
3
338 - Production
3
581 - Specific topics in natural history
3
612 - Human physiology
3
296 - Judaism
2
297 - Islam, Babism & Bahai Faith
2
381 - Commerce
2
670 - Manufacturing
2
120 - Epistemology, causation & humankind
1
153 - Mental processes & intelligence
1
172 - Political ethics
1
303 - Social processes
1
306 - Culture & institutions
1
342 - Constitutional & administrative law
1
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