Classification
370 - Education
900 - History & geography
83
100 - Philosophy & psychology
78
700 - The arts; fine & decorative arts
76
333 - Economics of land & energy
75
320 - Political science
70
300 - Social sciences
63
610 - Medicine & health
59
600 - Technology
55
330 - Economics
53
380 - Commerce, communications & transportation
42
400 - Language
40
140 - Specific philosophical schools
38
363 - Other social problems & services
38
800 - Literature & rhetoric
27
000 - Computer science, information & general works
26
304 - Factors affecting social behavior
20
410 - Linguistics
19
620 - Engineering & allied operations
16
200 - Religion
14
500 - Natural sciences & mathematics
14
576 - Genetics & evolution
14
301 - Sociology & anthropology
13
551 - Geology, hydrology & meteorology
11
170 - Ethics
10
340 - Law
10
658 - General management
7
361 - Social problems & social welfare in general
6
530 - Physics
6
720 - Architecture
6
297 - Islam, Babism & Bahai Faith
5
581 - Specific topics in natural history
5
780 - Music
5
414 - Phonology & phonetics
4
540 - Chemistry & allied sciences
4
580 - Plants (Botany)
4
630 - Agriculture & related technologies
4
120 - Epistemology, causation & humankind
3
360 - Social problems & services; associations
3
612 - Human physiology
3
153 - Mental processes & intelligence
2
336 - Public finance
2
372 - Elementary education
2
770 - Photography, photographs & computer art
2
791 - Public performances
2
920 - Biography, genealogy & insignia
2
296 - Judaism
1
350 - Public administration & military science
1
364 - Criminology
1
615 - Pharmacology & therapeutics
1
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