Classification
900 - History & geography
200 - Religion
107
320 - Political science
38
100 - Philosophy & psychology
36
700 - The arts; fine & decorative arts
23
800 - Literature & rhetoric
17
297 - Islam, Babism & Bahai Faith
15
330 - Economics
15
140 - Specific philosophical schools
13
170 - Ethics
7
296 - Judaism
7
300 - Social sciences
7
410 - Linguistics
7
301 - Sociology & anthropology
6
340 - Law
5
370 - Education
5
530 - Physics
5
610 - Medicine & health
4
000 - Computer science, information & general works
3
576 - Genetics & evolution
3
304 - Factors affecting social behavior
2
333 - Economics of land & energy
2
380 - Commerce, communications & transportation
2
400 - Language
2
581 - Specific topics in natural history
2
230 - Christianity & Christian theology
1
231 - God
1
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
620 - Engineering & allied operations
1
780 - Music
1
920 - Biography, genealogy & insignia
1