Classification
200 - Religion
301 - Sociology & anthropology
300 - Social sciences
53
900 - History & geography
43
100 - Philosophy & psychology
42
320 - Political science
31
700 - The arts; fine & decorative arts
23
297 - Islam, Babism & Bahai Faith
19
140 - Specific philosophical schools
18
600 - Technology
14
330 - Economics
12
340 - Law
11
000 - Computer science, information & general works
10
363 - Other social problems & services
10
370 - Education
9
380 - Commerce, communications & transportation
8
170 - Ethics
7
304 - Factors affecting social behavior
7
400 - Language
7
581 - Specific topics in natural history
7
333 - Economics of land & energy
6
530 - Physics
5
610 - Medicine & health
5
780 - Music
5
800 - Literature & rhetoric
5
398 - Folklore
4
361 - Social problems & social welfare in general
3
410 - Linguistics
3
620 - Engineering & allied operations
3
720 - Architecture
2
120 - Epistemology, causation & humankind
1
296 - Judaism
1
360 - Social problems & services; associations
1
364 - Criminology
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
770 - Photography, photographs & computer art
1
920 - Biography, genealogy & insignia
1