Classification
200 - Religion
900 - History & geography
176
100 - Philosophy & psychology
70
320 - Political science
54
300 - Social sciences
47
297 - Islam, Babism & Bahai Faith
40
700 - The arts; fine & decorative arts
35
800 - Literature & rhetoric
32
140 - Specific philosophical schools
31
296 - Judaism
31
301 - Sociology & anthropology
23
170 - Ethics
20
370 - Education
18
340 - Law
17
304 - Factors affecting social behavior
12
410 - Linguistics
10
380 - Commerce, communications & transportation
9
780 - Music
9
330 - Economics
8
400 - Language
8
600 - Technology
7
398 - Folklore
6
581 - Specific topics in natural history
6
120 - Epistemology, causation & humankind
5
333 - Economics of land & energy
5
576 - Genetics & evolution
5
610 - Medicine & health
5
720 - Architecture
4
880 - Hellenic literatures; classical Greek
4
363 - Other social problems & services
3
551 - Geology, hydrology & meteorology
3
630 - Agriculture & related technologies
3
530 - Physics
2
620 - Engineering & allied operations
2
000 - Computer science, information & general works
1
160 - Logic
1
361 - Social problems & social welfare in general
1