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