Classification
320 - Political science
19
304 - Factors affecting social behavior
11
006 - Special computer methods
10
330 - Economics
10
700 - The arts; fine & decorative arts
10
900 - History & geography
10
370 - Education
7
306 - Culture & institutions
6
333 - Economics of land & energy
6
340 - Law
6
820 - English & Old English literatures
6
004 - Data processing & computer science
5
005 - Computer programming, programs & data
5
200 - Religion
5
577 - Ecology
5
658 - General management
5
800 - Literature & rhetoric
5
003 - Systems
4
400 - Language
4
610 - Medicine & health
4
530 - Physics
3
550 - Earth sciences
3
780 - Music
3
940 - History of Europe
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
300 - Social sciences
2
301 - Sociology & anthropology
2
305 - Social groups
2
327 - International relations
2
338 - Production
2
341 - Law of nations
2
364 - Criminology
2
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
2
536 - Heat
2
551 - Geology, hydrology & meteorology
2
620 - Engineering & allied operations
2
946 - Iberian Peninsula & adjacent islands
2
030 - General encyclopedic works
1
040 - [Unassigned]
1
150 - Psychology
1
170 - Ethics
1
240 - Christian moral & devotional theology
1
250 - Christian orders & local church
1
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
325 - International migration & colonization
1
331 - Labor economics
1
346 - Private law
1
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