Classification
800 - Literature & rhetoric
900 - History & geography
309
700 - The arts; fine & decorative arts
61
410 - Linguistics
36
140 - Specific philosophical schools
33
320 - Political science
33
200 - Religion
32
100 - Philosophy & psychology
31
300 - Social sciences
27
400 - Language
24
340 - Law
15
370 - Education
11
170 - Ethics
9
380 - Commerce, communications & transportation
9
600 - Technology
8
297 - Islam, Babism & Bahai Faith
7
330 - Economics
7
301 - Sociology & anthropology
6
304 - Factors affecting social behavior
6
610 - Medicine & health
6
720 - Architecture
6
000 - Computer science, information & general works
5
780 - Music
5
620 - Engineering & allied operations
4
398 - Folklore
3
576 - Genetics & evolution
3
770 - Photography, photographs & computer art
3
296 - Judaism
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
630 - Agriculture & related technologies
2
120 - Epistemology, causation & humankind
1
500 - Natural sciences & mathematics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
791 - Public performances
1
880 - Hellenic literatures; classical Greek
1