Classification
330 - Economics
2,311
320 - Political science
1,971
340 - Law
994
360 - Social problems & services; associations
474
300 - Social sciences
247
370 - Education
110
900 - History & geography
76
820 - English & Old English literatures
67
610 - Medicine & health
45
630 - Agriculture & related technologies
44
362 - Social welfare problems & services
28
700 - The arts; fine & decorative arts
26
333 - Economics of land & energy
23
200 - Religion
15
363 - Other social problems & services
14
305 - Social groups
13
600 - Technology
11
140 - Specific philosophical schools
10
339 - Macroeconomics & related topics
10
170 - Ethics
8
620 - Engineering & allied operations
8
000 - Computer science, information & general works
7
100 - Philosophy & psychology
7
307 - Communities
7
338 - Production
7
380 - Commerce, communications & transportation
7
576 - Genetics & evolution
7
332 - Financial economics
6
580 - Plants (Botany)
6
240 - Christian moral & devotional theology
5
260 - Social & ecclesiastical theology
5
304 - Factors affecting social behavior
5
331 - Labor economics
5
551 - Geology, hydrology & meteorology
5
658 - General management
5
810 - American literature in English
5
280 - Christian denominations & sects
4
301 - Sociology & anthropology
4
350 - Public administration & military science
4
361 - Social problems & social welfare in general
4
500 - Natural sciences & mathematics
4
640 - Home & family management
4
160 - Logic
3
250 - Christian orders & local church
3
364 - Criminology
3
414 - Phonology & phonetics
3
540 - Chemistry & allied sciences
3
800 - Literature & rhetoric
3
303 - Social processes
2
306 - Culture & institutions
2
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