Classification
100 - Philosophy & psychology
200 - Religion
900 - History & geography
275
320 - Political science
167
300 - Social sciences
138
170 - Ethics
109
700 - The arts; fine & decorative arts
101
140 - Specific philosophical schools
82
340 - Law
72
301 - Sociology & anthropology
60
800 - Literature & rhetoric
52
297 - Islam, Babism & Bahai Faith
50
530 - Physics
47
330 - Economics
43
000 - Computer science, information & general works
34
400 - Language
30
120 - Epistemology, causation & humankind
29
296 - Judaism
25
363 - Other social problems & services
25
370 - Education
25
610 - Medicine & health
25
410 - Linguistics
23
333 - Economics of land & energy
21
600 - Technology
17
581 - Specific topics in natural history
13
780 - Music
13
576 - Genetics & evolution
10
380 - Commerce, communications & transportation
7
500 - Natural sciences & mathematics
7
160 - Logic
6
304 - Factors affecting social behavior
6
361 - Social problems & social welfare in general
5
620 - Engineering & allied operations
5
551 - Geology, hydrology & meteorology
4
720 - Architecture
4
398 - Folklore
3
580 - Plants (Botany)
3
770 - Photography, photographs & computer art
3
233 - Humankind
2
360 - Social problems & services; associations
2
364 - Criminology
2
520 - Astronomy & allied sciences
2
630 - Agriculture & related technologies
2
658 - General management
2
880 - Hellenic literatures; classical Greek
2
128 - Humankind
1
155 - Differential & developmental psychology
1
193 - Philosophy of Germany & Austria
1
208 - Sources
1
230 - Christianity & Christian theology
1
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