Classification
200 - Religion
334
900 - History & geography
143
100 - Philosophy & psychology
122
700 - The arts; fine & decorative arts
71
320 - Political science
54
140 - Specific philosophical schools
51
170 - Ethics
47
297 - Islam, Babism & Bahai Faith
43
800 - Literature & rhetoric
31
300 - Social sciences
26
301 - Sociology & anthropology
25
340 - Law
25
370 - Education
23
296 - Judaism
21
530 - Physics
17
610 - Medicine & health
17
330 - Economics
15
400 - Language
15
333 - Economics of land & energy
14
410 - Linguistics
13
581 - Specific topics in natural history
13
000 - Computer science, information & general works
12
600 - Technology
11
304 - Factors affecting social behavior
8
363 - Other social problems & services
8
576 - Genetics & evolution
8
780 - Music
8
380 - Commerce, communications & transportation
6
620 - Engineering & allied operations
5
551 - Geology, hydrology & meteorology
4
120 - Epistemology, causation & humankind
3
500 - Natural sciences & mathematics
3
920 - Biography, genealogy & insignia
3
361 - Social problems & social welfare in general
2
630 - Agriculture & related technologies
2
720 - Architecture
2
398 - Folklore
1
580 - Plants (Botany)
1
770 - Photography, photographs & computer art
1